Revert "media: remove IGraphicBufferSource.aidl"

This reverts commit 2f6a4b8345d66c54cffa67295f682a5b8ad57848.

Reason for revert: broken build b/143248118

Change-Id: I1d81103a6992f98264d9afeaa055cab500f0c0b3
diff --git a/media/libmedia/Android.bp b/media/libmedia/Android.bp
index a72472f..4e99cb2 100644
--- a/media/libmedia/Android.bp
+++ b/media/libmedia/Android.bp
@@ -43,6 +43,7 @@
 filegroup {
     name: "libmedia_omx_aidl",
     srcs: [
+        "aidl/android/IGraphicBufferSource.aidl",
         "aidl/android/IOMXBufferSource.aidl",
     ],
     path: "aidl",
@@ -62,6 +63,7 @@
         "IOMX.cpp",
         "MediaCodecBuffer.cpp",
         "OMXBuffer.cpp",
+        "omx/1.0/WGraphicBufferSource.cpp",
         "omx/1.0/WOmxBufferSource.cpp",
         "omx/1.0/WOmxNode.cpp",
         "omx/1.0/WOmxObserver.cpp",