Add intDef annotation processor to generate mapping

Test: Run 'mp :framework-all' and check if mapping file is properly
generated

Change-Id: I58f7ea5894e8ec994a74781663654508205c4db1
diff --git a/Android.bp b/Android.bp
index aae78a0..ded666f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -626,6 +626,9 @@
         // Additional dependencies needed to build the ike API classes.
         "ike-internals",
     ],
+    plugins: [
+        "intdef-annotation-processor",
+    ],
     libs: ["icing-java-proto-lite"],
     apex_available: ["//apex_available:platform"],
     visibility: [
@@ -886,6 +889,7 @@
     exclude_srcs: [
         "core/proto/android/privacy.proto",
         "core/proto/android/section.proto",
+        "core/proto/android/typedef.proto",
     ],
     sdk_version: "9",
     srcs: [
@@ -911,6 +915,7 @@
     exclude_srcs: [
         "core/proto/android/privacy.proto",
         "core/proto/android/section.proto",
+        "core/proto/android/typedef.proto",
     ],
     sdk_version: "core_current",
     // Protos have lots of MissingOverride and similar.