fix xml error in sample
fix xml error in sample

Change-Id: I59ca15028c52e0be081f4e65308f88e06115f7fd

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base