Fix MediaPlayer2Test on 32bit mode

Test: MediaPlayer2Test with armeabi-v7a
Bug: 123361167
Change-Id: Ida8b6ebc0616b35251d47c8c7246734d47b2c7ff

apex/Android.bp

@@ -16,21 +16,31 @@ apex {
     name: "com.android.media",
     manifest: "manifest.json",
     java_libs: ["updatable-media"],
-    native_shared_libs: [
-        // Extractor plugins
-        "libaacextractor",
-        "libamrextractor",
-        "libflacextractor",
-        "libmidiextractor",
-        "libmkvextractor",
-        "libmp3extractor",
-        "libmp4extractor",
-        "libmpeg2extractor",
-        "liboggextractor",
-        "libwavextractor",
-        // MediaPlayer2
-        "libmedia2_jni",
-    ],
+    compile_multilib: "both",
+    multilib: {
+        first: {
+            // Extractor process runs only with the primary ABI.
+            native_shared_libs: [
+                // Extractor plugins
+                "libaacextractor",
+                "libamrextractor",
+                "libflacextractor",
+                "libmidiextractor",
+                "libmkvextractor",
+                "libmp3extractor",
+                "libmp4extractor",
+                "libmpeg2extractor",
+                "liboggextractor",
+                "libwavextractor",
+            ],
+        },
+        both: {
+            native_shared_libs: [
+                // MediaPlayer2
+                "libmedia2_jni",
+            ],
+        },
+    },
     key: "com.android.media.key",
 }