Add more annotations to framework-media-annotation-srcs

Test: build
Bug: 112766913
Change-Id: Ic0bcc71bac70a2a5f2a169e274e925ff4ac44623
diff --git a/Android.bp b/Android.bp
index f40aab1..e9345cf 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1717,7 +1717,9 @@
         "core/java/android/annotation/RequiresPermission.java",
         "core/java/android/annotation/SdkConstant.java",
         "core/java/android/annotation/StringDef.java",
+        "core/java/android/annotation/TestApi.java",
         "core/java/android/annotation/UnsupportedAppUsage.java",
+        "core/java/com/android/internal/annotations/GuardedBy.java",
     ],
 }