defer resume while selecting text
defer resume while selecting text

Allow scrolling, dragging, zooming to process normally
while selecting text, but prevent them from resuming
the webkit update until the selection is done.

Also, resume the webkit priority when resuming the
updates.

bug:3226364
Change-Id: Idfad6b63b6eb02208f977d89a8409377e9d731e7

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