Don't snap the initialScale to min or max if it is not defined.
Don't snap the initialScale to min or max if it is not defined.

Fix http://b/issue?id=2133821

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