Add legacy sample ports to build.gradle

- media/MediaEffects
- connectivity/bluetooth/BluetoothChat

Change-Id: Ic8003b1013d53f395ba421955550264d8dc322fc
diff --git a/build.gradle b/build.gradle
index 0b3f6fb..58e1adc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,7 +47,9 @@
 "ui/views/SwipeRefreshLayout/SwipeRefreshListFragment",
 "ui/views/SwipeRefreshLayout/SwipeRefreshMultipleViews",
 "wearable/wear/SynchronizedNotifications",
-"media/MediaRouter"
+"media/MediaRouter",
+"media/MediaEffects",
+"connectivity/bluetooth/BluetoothChat",
 ]
 
 List<String> taskNames = [