Add explicit apex_available clauses

add apex_available clauses to interfaces which were being allowed
by list stored within the apex toools

Bug: 215589022
Test: build
Change-Id: Iaf5d1b80e6b35f765d6b7a59ce7f28d4fa5098a4
diff --git a/graphics/mapper/2.1/Android.bp b/graphics/mapper/2.1/Android.bp
index 4011650..cc74156 100644
--- a/graphics/mapper/2.1/Android.bp
+++ b/graphics/mapper/2.1/Android.bp
@@ -26,4 +26,9 @@
         "android.hidl.base@1.0",
     ],
     gen_java: false,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }