Set the scale to be at least overview zoom scale.
Set the scale to be at least overview zoom scale.

This happens when screen is rotated.  Also removed a not-needed calculation.

issue: 2919307
Change-Id: If24ccb45a488aa8f00fead09206bfbe1799ebcb2

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