jailed media processes can dump code coverage data

use @include to bring in the minijail policy information needed so that
we can write out code coverage information on such builds;  the included
code coverage policy files is appropriate full/empty based on code
coverage flags.

Bug: 139313557
Bug: 148178774
Bug: 148177815
Test: 'kill -37' on processes in a code-coverage-enabled build
Test: 'kill -37' on processes in a NON code-coverage-enabled build
Change-Id: I9d5880343347ddc586e50f9eafb65e1ff7ba3748
(cherry picked from commit 40d50f3fead98414d4c4a5627c179cbf20c3b86e)
diff --git a/services/mediaextractor/Android.bp b/services/mediaextractor/Android.bp
index b812244..0c701d7 100644
--- a/services/mediaextractor/Android.bp
+++ b/services/mediaextractor/Android.bp
@@ -66,6 +66,9 @@
             src: "seccomp_policy/mediaextractor-x86_64.policy",
         },
     },
-    required: ["crash_dump.policy"],
+    required: [
+        "crash_dump.policy",
+        "code_coverage.policy",
+    ],
 }