Re-enable samples browser.
Re-enable samples browser.

Change-Id: I9d0c5966422ba0cf8bca576895f30679d40a19ab

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