Updated background assets for chips.

Change-Id: Ia34c47ed4d4c0e745f1eb0314b18d049993dce6a
diff --git a/res/drawable-hdpi/chip_background.9.png b/res/drawable-hdpi/chip_background.9.png
new file mode 100644
index 0000000..15e68ff
--- /dev/null
+++ b/res/drawable-hdpi/chip_background.9.png
Binary files differ
diff --git a/res/drawable-hdpi/chip_background_invalid.9.png b/res/drawable-hdpi/chip_background_invalid.9.png
new file mode 100644
index 0000000..748059c
--- /dev/null
+++ b/res/drawable-hdpi/chip_background_invalid.9.png
Binary files differ
diff --git a/res/drawable-hdpi/chip_background_selected.9.png b/res/drawable-hdpi/chip_background_selected.9.png
new file mode 100644
index 0000000..6bbb59d
--- /dev/null
+++ b/res/drawable-hdpi/chip_background_selected.9.png
Binary files differ
diff --git a/res/drawable-mdpi/chip_background.9.png b/res/drawable-mdpi/chip_background.9.png
new file mode 100644
index 0000000..af580fc
--- /dev/null
+++ b/res/drawable-mdpi/chip_background.9.png
Binary files differ
diff --git a/res/drawable-mdpi/chip_background_invalid.9.png b/res/drawable-mdpi/chip_background_invalid.9.png
new file mode 100644
index 0000000..2031308
--- /dev/null
+++ b/res/drawable-mdpi/chip_background_invalid.9.png
Binary files differ
diff --git a/res/drawable-mdpi/chip_background_selected.9.png b/res/drawable-mdpi/chip_background_selected.9.png
new file mode 100644
index 0000000..020c556
--- /dev/null
+++ b/res/drawable-mdpi/chip_background_selected.9.png
Binary files differ
diff --git a/res/drawable/chip_background.xml b/res/drawable/chip_background.xml
deleted file mode 100644
index ccec0b2..0000000
--- a/res/drawable/chip_background.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2011 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"
-        android:exitFadeDuration="@android:integer/config_mediumAnimTime">
-    <item android:state_activated="true" android:drawable="@drawable/chip_background_selected" />
-    <item android:state_pressed="true" android:drawable="@drawable/chip_background_selected" />
-    <item android:state_focused="true" android:drawable="@drawable/chip_background_selected" />
-    <item android:state_selected="true" android:drawable="@drawable/chip_background_selected" />
-    <item android:drawable="@drawable/chip_background_normal" />
-</selector>
diff --git a/res/drawable/chip_background_invalid.xml b/res/drawable/chip_background_invalid.xml
deleted file mode 100644
index 39dd246..0000000
--- a/res/drawable/chip_background_invalid.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2011 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.
--->
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="#ff0000"/>
-    <padding android:left="6dp" android:right="6dp" android:top="2dp"
-    android:bottom="2dp"/>
-</shape>
diff --git a/res/drawable/chip_background_normal.xml b/res/drawable/chip_background_normal.xml
deleted file mode 100644
index 8cb0fc8..0000000
--- a/res/drawable/chip_background_normal.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2011 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.
--->
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="#c2e9f7"/>
-    <padding android:left="6dp" android:right="6dp" android:top="2dp"
-    android:bottom="2dp"/>
-</shape>
diff --git a/res/drawable/chip_background_selected.xml b/res/drawable/chip_background_selected.xml
deleted file mode 100644
index 87927f5..0000000
--- a/res/drawable/chip_background_selected.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2011 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.
--->
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="@color/chip_selected"/>
-    <padding android:left="6dp" android:right="6dp" android:top="2dp"
-    android:bottom="2dp"/>
-</shape>