DO NOT MERGE - Update prebuild current SDK

Copied files from lmp-dev branch at #1305141
http://android-build/builds/git_lmp-dev-linux-sdk_x86_64-sdk/1305141

Followed the instruction given at : goto/updateprebuilts
Change-Id: I29479d6a623aaa86022383645ebc628adde06c19
diff --git a/current/support/v17/leanback/res/layout/lb_playback_controls_row.xml b/current/support/v17/leanback/res/layout/lb_playback_controls_row.xml
new file mode 100644
index 0000000..a4484a2
--- /dev/null
+++ b/current/support/v17/leanback/res/layout/lb_playback_controls_row.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2014 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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:paddingBottom="@dimen/lb_playback_controls_margin_bottom"
+    android:paddingLeft="@dimen/lb_playback_controls_margin_left"
+    android:paddingRight="@dimen/lb_playback_controls_margin_right" >
+
+    <!-- Background is applied to this inner layout -->
+
+    <LinearLayout
+        android:id="@+id/controls_card"
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/lb_playback_controls_card_height"
+        android:orientation="horizontal" >
+
+        <ImageView
+            android:id="@+id/image"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:adjustViewBounds="true"
+            android:scaleType="fitStart" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical" >
+
+            <FrameLayout
+                android:id="@+id/description_dock"
+                android:layout_width="wrap_content"
+                android:layout_height="0dp"
+                android:layout_marginEnd="@dimen/lb_playback_description_margin_end"
+                android:layout_marginStart="@dimen/lb_playback_description_margin_start"
+                android:layout_marginTop="@dimen/lb_playback_description_margin_top"
+                android:layout_weight="1"
+                android:gravity="top" />
+
+            <!-- Space here prevents room only for title and subtitle above -->
+
+            <Space
+                android:id="@+id/spacer"
+                android:layout_width="match_parent"
+                android:layout_height="12dp" />
+
+            <FrameLayout
+                android:id="@+id/controls_dock"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="@dimen/lb_playback_description_margin_end"
+                android:layout_marginStart="@dimen/lb_playback_description_margin_start" />
+
+        </LinearLayout>
+    </LinearLayout>
+
+    <FrameLayout
+        android:id="@+id/secondary_controls_dock"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="@dimen/lb_secondary_controls_margin_top" />
+
+</LinearLayout>
\ No newline at end of file