Remove libmediametrics dependency from libmediaextractor

- Removes media metrics related methods in the extractor plugin.
- Puts metrics related code in one place, RemoteMediaExtractor.

Test: build & pass android.media.cts.MediaExtractorTest
Bug: 67908556
Change-Id: I5e06e6b6b5c047a3c68d90479e55f1df9061da45
diff --git a/media/libmediaextractor/Android.bp b/media/libmediaextractor/Android.bp
index c57cd41..dcdb320 100644
--- a/media/libmediaextractor/Android.bp
+++ b/media/libmediaextractor/Android.bp
@@ -1,5 +1,6 @@
 cc_library_shared {
     name: "libmediaextractor",
+
     include_dirs: [
         "frameworks/av/include",
         "frameworks/av/media/libmediaextractor/include",
@@ -14,7 +15,6 @@
     ],
 
     shared_libs: [
-        "libmediametrics",
         "libstagefright_foundation",
         "libutils",
         "libcutils",