[Cast,Android] Replace custom MediaController with android.widget.MediaController.

chrome/android/BUILD.gn

Index: chrome/android/BUILD.gn
diff --git a/chrome/android/BUILD.gn b/chrome/android/BUILD.gn
index e150d0f55b38ae6ed4ac928720f9da2e2db75abd..60ac9acfefe6e60ae8d2a1824c00fbb652f90866 100644
--- a/chrome/android/BUILD.gn
+++ b/chrome/android/BUILD.gn
@@ -95,10 +95,10 @@ android_resources("chrome_java_resources") {
     "//components/strings:components_strings_grd",
     "//content/public/android:content_java_resources",
     "//third_party/android_data_chart:android_data_chart_java_resources",
-    "//third_party/android_media:android_media_resources",
     "//third_party/android_tools:android_support_design_java",
     "//third_party/android_tools:android_support_transition_java",
     "//third_party/android_tools:android_support_v7_appcompat_java",
+    "//third_party/android_tools:android_support_v7_mediarouter_java",
     "//third_party/android_tools:android_support_v7_recyclerview_java",
   ]
   custom_package = "org.chromium.chrome"
@@ -218,7 +218,6 @@ android_library("chrome_java") {
     "//third_party/WebKit/public:blink_headers_java",
     "//third_party/WebKit/public:mojo_bindings_java",
     "//third_party/android_data_chart:android_data_chart_java",
-    "//third_party/android_media:android_media_java",
     "//third_party/android_protobuf:protobuf_nano_javalib",
     "//third_party/android_swipe_refresh:android_swipe_refresh_java",
     "//third_party/android_tools:android_gcm_java",