Move `instances/{instance_lock,lock_file}.{cpp,h}

... to a new subdirectory.

This is one step to making the filesystem organization match the build
system.

Bug: b/392949844
Test: bazel test '//...'

base/cvd/cuttlefish/host/commands/cvd/acloud/BUILD.bazel

@@ -38,8 +38,8 @@ cc_library(
         "//cuttlefish/host/commands/cvd/cli/selector:parser",
         "//cuttlefish/host/commands/cvd/cli:types",
         "//cuttlefish/host/commands/cvd/cli:utils",
+        "//cuttlefish/host/commands/cvd/instances/lock",
         "//cuttlefish/host/commands/cvd/instances:instance_database_utils",
-        "//cuttlefish/host/commands/cvd/instances:lock",
         "//cuttlefish/host/commands/cvd/utils",
         "//cuttlefish/host/libs/config",
         "//libbase",

base/cvd/cuttlefish/host/commands/cvd/acloud/converter.cpp

@@ -36,7 +36,7 @@
 #include "host/commands/cvd/acloud/config.h"
 #include "host/commands/cvd/acloud/create_converter_parser.h"
 #include "host/commands/cvd/utils/common.h"
-#include "host/commands/cvd/instances/lock_file.h"
+#include "host/commands/cvd/instances/lock/lock_file.h"
 #include "host/commands/cvd/instances/instance_database_utils.h"
 #include "host/commands/cvd/cli/selector/selector_constants.h"
 #include "host/commands/cvd/cli/command_request.h"

base/cvd/cuttlefish/host/commands/cvd/cli/selector/BUILD.bazel

@@ -25,9 +25,9 @@ cc_library(
         "//cuttlefish/common/libs/utils",
         "//cuttlefish/common/libs/utils:result",
         "//cuttlefish/host/commands/cvd/cli:types",
+        "//cuttlefish/host/commands/cvd/instances/lock",
         "//cuttlefish/host/commands/cvd/instances:cvd_persistent_data",
         "//cuttlefish/host/commands/cvd/instances:instance_database_utils",
-        "//cuttlefish/host/commands/cvd/instances:lock",
         "//cuttlefish/host/commands/cvd/utils",
         "//cuttlefish/host/libs/config",
         "//libbase",

base/cvd/cuttlefish/host/commands/cvd/cli/selector/creation_analyzer.h

@@ -26,7 +26,7 @@
 #include "common/libs/utils/result.h"
 #include "common/libs/utils/unique_resource_allocator.h"
 #include "cuttlefish/host/commands/cvd/instances/cvd_persistent_data.pb.h"
-#include "host/commands/cvd/instances/instance_lock.h"
+#include "host/commands/cvd/instances/lock/instance_lock.h"
 #include "host/commands/cvd/cli/selector/start_selector_parser.h"
 
 namespace cuttlefish {

base/cvd/cuttlefish/host/commands/cvd/instances/BUILD.bazel

@@ -12,29 +12,6 @@ cc_proto_library(
     deps = [":cvd_persistent_data_proto"],
 )
 
-cc_library(
-    name = "lock",
-    srcs = [
-        "instance_lock.cpp",
-        "lock_file.cpp",
-    ],
-    hdrs = [
-        "instance_lock.h",
-        "lock_file.h",
-    ],
-    copts = [
-        "-Werror=sign-compare",
-        "-std=c++17",
-    ],
-    strip_include_prefix = "//cuttlefish",
-    deps = [
-        "//cuttlefish/common/libs/fs",
-        "//cuttlefish/common/libs/utils",
-        "//cuttlefish/common/libs/utils:result",
-        "//libbase",
-    ],
-)
-
 cc_library(
     name = "instances",
     srcs = [
@@ -63,7 +40,6 @@ cc_library(
     deps = [
         ":cvd_persistent_data",
         ":instance_database_utils",
-        ":lock",
         "//cuttlefish/common/libs/fs",
         "//cuttlefish/common/libs/utils",
         "//cuttlefish/common/libs/utils:result",
@@ -72,6 +48,7 @@ cc_library(
         "//cuttlefish/host/commands/cvd/cli:command_request",
         "//cuttlefish/host/commands/cvd/cli:types",
         "//cuttlefish/host/commands/cvd/cli:utils",
+        "//cuttlefish/host/commands/cvd/instances/lock",
         "//cuttlefish/host/commands/cvd/legacy:cvd_server_cc_proto",
         "//cuttlefish/host/commands/cvd/utils",
         "//cuttlefish/host/libs/config",

base/cvd/cuttlefish/host/commands/cvd/instances/instance_manager.h

@@ -29,8 +29,8 @@
 #include "host/commands/cvd/cli/selector/creation_analyzer.h"
 #include "host/commands/cvd/instances/instance_database.h"
 #include "host/commands/cvd/instances/instance_group_record.h"
-#include "host/commands/cvd/instances/instance_lock.h"
 #include "host/commands/cvd/instances/instance_record.h"
+#include "host/commands/cvd/instances/lock/instance_lock.h"
 
 namespace cuttlefish {
 

base/cvd/cuttlefish/host/commands/cvd/instances/lock/BUILD.bazel

@@ -0,0 +1,26 @@
+package(
+    default_visibility = ["//:android_cuttlefish"],
+)
+
+cc_library(
+    name = "lock",
+    srcs = [
+        "instance_lock.cpp",
+        "lock_file.cpp",
+    ],
+    hdrs = [
+        "instance_lock.h",
+        "lock_file.h",
+    ],
+    copts = [
+        "-Werror=sign-compare",
+        "-std=c++17",
+    ],
+    strip_include_prefix = "//cuttlefish",
+    deps = [
+        "//cuttlefish/common/libs/fs",
+        "//cuttlefish/common/libs/utils",
+        "//cuttlefish/common/libs/utils:result",
+        "//libbase",
+    ],
+)

base/cvd/cuttlefish/host/commands/cvd/instances/instance_lock.cpp → base/cvd/cuttlefish/host/commands/cvd/instances/lock/instance_lock.cpp

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "host/commands/cvd/instances/instance_lock.h"
+#include "host/commands/cvd/instances/lock/instance_lock.h"
 
 #include <sys/file.h>
 

base/cvd/cuttlefish/host/commands/cvd/instances/instance_lock.h → base/cvd/cuttlefish/host/commands/cvd/instances/lock/instance_lock.h

@@ -18,7 +18,7 @@
 #include <set>
 #include <string>
 
-#include "host/commands/cvd/instances/lock_file.h"
+#include "host/commands/cvd/instances/lock/lock_file.h"
 
 namespace cuttlefish {
 

base/cvd/cuttlefish/host/commands/cvd/instances/lock_file.cpp → base/cvd/cuttlefish/host/commands/cvd/instances/lock/lock_file.cpp

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "host/commands/cvd/instances/lock_file.h"
+#include "host/commands/cvd/instances/lock/lock_file.h"
 
 #include <sys/file.h>