Explicit apex_available clauses

Declare explicit apex availability/usage here instead of in
a list hidden within the apex build tools.

Bug: 215589022
Test: build
Change-Id: Id4708473d2528ffdab6c91c71d31c7373749858c
diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index ec3587b..ec1134a 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -37,6 +37,12 @@
         "android.hardware.graphics.bufferqueue@2.0",
     ],
     min_sdk_version: "29",
+    // TODO(b/218719284) can media use be constrained to libgui_bufferqueue_static?
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
 
 cc_library_headers {