Make apex_available explicit

Move the implicit allowing by modules from a list in the build
tools to explicit lines in the relevant module's Android.bp

Bug: 215589022
Test: build
Change-Id: I84d571f6f81d4431fa8069f0f30ed9c79e7d402e
diff --git a/Android.bp b/Android.bp
index e936326..6806659 100644
--- a/Android.bp
+++ b/Android.bp
@@ -23,6 +23,11 @@
     ],
     cflags: ["-Werror"],
     min_sdk_version: "29",
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
 
 cc_binary {