include policy files within media APEX files

ensures that the @include'd policy files (code_coverage, crash_dump)
used by mainlined media processes are carried within the respective
APEX files. Parent policy files now @include the copy held within
the apex.

Bug: 147914640
Test: built/booted/examined filesystem
Change-Id: I34213fbc93ca51696b6a5a3c60bfd3ffa7ce6764
diff --git a/apex/Android.bp b/apex/Android.bp
index 73dc264..140a2e8 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -35,6 +35,8 @@
     },
     prebuilts: [
         "mediaextractor.policy",
+        "code_coverage.policy",
+        "crash_dump.policy",
     ],
     key: "com.android.media.key",
     certificate: ":com.android.media.certificate",
@@ -70,6 +72,8 @@
         "com.android.media.swcodec-mediaswcodec.rc",
         "com.android.media.swcodec-ld.config.txt",
         "mediaswcodec.policy",
+        "code_coverage.policy",
+        "crash_dump.policy",
         "mediaswcodec.xml",
     ],
     use_vendor: true,