Load extractor libs directly from update APK

Test: play MP4 file. install and uninstall media update apk.
Bug: 67908547
Change-Id: I80c7772e25ba010be468834ce238f0fb86bc8d14
diff --git a/media/libmedia/Android.bp b/media/libmedia/Android.bp
index 0b4fd25..3c9bfdd 100644
--- a/media/libmedia/Android.bp
+++ b/media/libmedia/Android.bp
@@ -139,10 +139,18 @@
     },
 }
 
+filegroup {
+    name: "mediaupdateservice_aidl",
+    srcs: [
+        "aidl/android/media/IMediaExtractorUpdateService.aidl",
+    ],
+}
+
 cc_library_shared {
     name: "libmedia",
 
     srcs: [
+        ":mediaupdateservice_aidl",
         "IDataSource.cpp",
         "BufferingSettings.cpp",
         "mediaplayer.cpp",
@@ -179,6 +187,11 @@
         "StringArray.cpp",
     ],
 
+    aidl: {
+        local_include_dirs: ["aidl"],
+        export_aidl_headers: true,
+    },
+
     shared_libs: [
         "liblog",
         "libcutils",