Doc change: update spam policy image.
Doc change: update spam policy image.

Change-Id: Ib19ea838f0f72725cedf2cea8aff505ccc477a45

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