Drop SDK with support libraries from LRW15C  #1280654

Also added script import_currrent_sdk.sh to help update the prerelease
SDK.

Change-Id: I67c709fd02869b73581d6cfa5a9a0e4293ea2890
diff --git a/current/support/v7/mediarouter/res/drawable/mr_ic_media_route_holo_dark.xml b/current/support/v7/mediarouter/res/drawable/mr_ic_media_route_holo_dark.xml
new file mode 100644
index 0000000..6870591
--- /dev/null
+++ b/current/support/v7/mediarouter/res/drawable/mr_ic_media_route_holo_dark.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_checked="true" android:state_enabled="true"
+            android:drawable="@drawable/mr_ic_media_route_on_holo_dark" />
+    <item android:state_checkable="true" android:state_enabled="true"
+            android:drawable="@drawable/mr_ic_media_route_connecting_holo_dark" />
+    <item android:state_enabled="true"
+            android:drawable="@drawable/mr_ic_media_route_off_holo_dark" />
+    <item android:drawable="@drawable/mr_ic_media_route_disabled_holo_dark" />
+</selector>