cut number of frames in lock screen demo animation from 15 to 8

This trims about 108k out of the settings app, and the animation is
still acceptable.

res/drawable/lock_anim.xml

@@ -1,37 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-/* 
+/*
 ** Copyright 2008, 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 
+** 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 
+**     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 
+** 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.
 */
 -->
 <animation-list
         xmlns:android="http://schemas.android.com/apk/res/android"
         android:oneshot="false">
-    <item android:drawable="@drawable/lock_anim_0" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_1" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_2" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_3" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_4" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_5" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_6" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_7" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_8" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_9" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_10" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_11" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_12" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_13" android:duration="200" />
-    <item android:drawable="@drawable/lock_anim_14" android:duration="200" />
+    <item android:drawable="@drawable/lock_anim_00" android:duration="400" />
+    <item android:drawable="@drawable/lock_anim_02" android:duration="400" />
+    <item android:drawable="@drawable/lock_anim_04" android:duration="400" />
+    <item android:drawable="@drawable/lock_anim_06" android:duration="400" />
+    <item android:drawable="@drawable/lock_anim_08" android:duration="400" />
+    <item android:drawable="@drawable/lock_anim_10" android:duration="400" />
+    <item android:drawable="@drawable/lock_anim_12" android:duration="400" />
+    <item android:drawable="@drawable/lock_anim_14" android:duration="400" />
 </animation-list>