Add a platform-compat-config to the framework services.

Bug: 138222363
Test: m. the config builds and contains annotated changes.
Change-Id: I35ab9d028bbf23aca38494b66592779fdb4ef01e
diff --git a/Android.bp b/Android.bp
index 2896f28..8c403ed 100644
--- a/Android.bp
+++ b/Android.bp
@@ -763,6 +763,7 @@
     required: [
         "framework-platform-compat-config",
         "libcore-platform-compat-config",
+        "services-platform-compat-config",
     ],
 }
 
diff --git a/services/Android.bp b/services/Android.bp
index bea51be..75fd012 100644
--- a/services/Android.bp
+++ b/services/Android.bp
@@ -37,6 +37,10 @@
         "android.hidl.manager-V1.0-java",
     ],
 
+    plugins: [
+        "compat-changeid-annotation-processor",
+    ],
+
     // Uncomment to enable output of certain warnings (deprecated, unchecked)
     //javacflags: ["-Xlint"],
 
@@ -50,3 +54,9 @@
     defaults: ["libservices.core-libs"],
     whole_static_libs: ["libservices.core"],
 }
+
+platform_compat_config {
+    name: "services-platform-compat-config",
+    prefix: "services",
+    src: ":services",
+}