Doc Update: new Smack sample.
Doc Update: new Smack sample.

Change-Id: I4395d13eab5e7801dae85394350536ae6cb38e9e

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