Use privateFlags for the preserve geometry check

PRIVATE_FLAG_PRESERVE_GEOMETRY flag is set to privateFlag, thus this
path wasn't really used triggering side-effects with SurfaceView
placement.

Bug: 27607148
Author: Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com>
Change-Id: Ic2708bbcc9c2ab1cfaf324b6fd539a1ad027429c
1 file changed