Minor docs fixes: Make description match screenshot.
Minor docs fixes: Make description match screenshot.

Also update location of DDMS preferences file.

Change-Id: I91b9f9b2376d427a2ef8b1832d49e07e232c3320

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