Copy support MediaRouter code

- Copied the code from framework/support/v7/mediarouter
- Changed the package names
- Updated copyrights
- Removed the use of support annotations
- TODO: Use MediaRouter from MediaControlView2
- TODO: Make support MediaRouter use updatable code

Test: build
Change-Id: I1eb9330fd6a19b74916a04c48d971903b6390b70
diff --git a/packages/MediaComponents/res/values/attrs.xml b/packages/MediaComponents/res/values/attrs.xml
new file mode 100644
index 0000000..e37285b
--- /dev/null
+++ b/packages/MediaComponents/res/values/attrs.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2018 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.
+-->
+
+<resources>
+    <declare-styleable name="MediaRouteButton">
+        <!-- This drawable is a state list where the "checked" state
+             indicates active media routing.  Checkable indicates connecting
+             and non-checked / non-checkable indicates
+             that media is playing to the local device only. -->
+        <attr name="externalRouteEnabledDrawable" format="reference" />
+        <!-- Tint to apply to the media route button -->
+        <attr name="mediaRouteButtonTint" format="color" />
+
+        <attr name="android:minWidth" />
+        <attr name="android:minHeight" />
+    </declare-styleable>
+
+    <attr name="mediaRouteButtonStyle" format="reference" />
+    <attr name="mediaRouteCloseDrawable" format="reference" />
+    <attr name="mediaRoutePlayDrawable" format="reference" />
+    <attr name="mediaRoutePauseDrawable" format="reference" />
+    <attr name="mediaRouteStopDrawable" format="reference" />
+    <attr name="mediaRouteAudioTrackDrawable" format="reference" />
+    <attr name="mediaRouteDefaultIconDrawable" format="reference" />
+    <attr name="mediaRouteTvIconDrawable" format="reference" />
+    <attr name="mediaRouteSpeakerIconDrawable" format="reference" />
+    <attr name="mediaRouteSpeakerGroupIconDrawable" format="reference" />
+    <attr name="mediaRouteControlPanelThemeOverlay" format="reference" />
+
+    <attr name="mediaRouteTheme" format="reference" />
+</resources>