Moves merge scripts into a new merge folder.

This will be used in the following change to split
merge_target_files into a collection of smaller
more-focused scripts.

Bug: 221858722
Test: m otatools; Use to create merged builds
Change-Id: Ie01dac81c5f9f28f1e0fe037259eabd2478e60b6
diff --git a/tools/releasetools/merge/Android.bp b/tools/releasetools/merge/Android.bp
new file mode 100644
index 0000000..c07d8ee
--- /dev/null
+++ b/tools/releasetools/merge/Android.bp
@@ -0,0 +1,69 @@
+// Copyright (C) 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+filegroup {
+    name: "releasetools_merge_sources",
+    srcs: [
+        "merge_target_files.py",
+    ],
+}
+
+filegroup {
+    name: "releasetools_merge_tests",
+    srcs: [
+        "test_merge_target_files.py",
+    ],
+}
+
+python_binary_host {
+    name: "merge_target_files",
+    defaults: ["releasetools_binary_defaults"],
+    srcs: [":releasetools_merge_sources"],
+    libs: [
+        "releasetools_add_img_to_target_files",
+        "releasetools_build_super_image",
+        "releasetools_check_target_files_vintf",
+        "releasetools_common",
+        "releasetools_find_shareduid_violation",
+        "releasetools_img_from_target_files",
+        "releasetools_ota_from_target_files",
+    ],
+    required: [
+        "checkvintf",
+        "host_init_verifier",
+        "secilc",
+    ],
+    target: {
+        darwin: {
+            // libs dep "releasetools_ota_from_target_files" is disabled on darwin
+            enabled: false,
+        },
+    },
+}
+
+python_binary_host {
+    name: "merge_builds",
+    defaults: ["releasetools_binary_defaults"],
+    srcs: [
+        "merge_builds.py",
+    ],
+    libs: [
+        "releasetools_build_super_image",
+        "releasetools_common",
+    ],
+}