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/ui/Android.bp b/libs/ui/Android.bp
index f5a22ec..a9380c6 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -235,6 +235,12 @@
         "libui_headers",
     ],
     min_sdk_version: "29",
+    // TODO(b/214400477) to remove use of GraphicBuffer
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 
     afdo: true,
 }
@@ -258,6 +264,11 @@
         "libmath_headers",
     ],
     min_sdk_version: "29",
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
 
 // defaults to enable VALIDATE_REGIONS traces