Don't update DisplayLists when dumping
Don't update DisplayLists when dumping

bug:22234438

Updating the displaylist is invalid since this debug method isn't
called on the UI thread, and it defeats the purpose of seeing what
the hierarchy is currently rendering.

Change-Id: I10c5cc6dbae8d304559dfc6e863b0ede158d554f

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