Add explicit apex_available clauses

So we can start deleting the lists embedded in the build tools

Bug: 215589022
Test: build
Change-Id: Ibea376e172d4def6d1dbb2b8e7a170afc356f59e
diff --git a/cas/1.2/Android.bp b/cas/1.2/Android.bp
index 6c94020..5468ed0 100644
--- a/cas/1.2/Android.bp
+++ b/cas/1.2/Android.bp
@@ -24,4 +24,8 @@
         "android.hidl.base@1.0",
     ],
     gen_java: true,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media",
+    ],
 }