Turn of fragment operation optimization by default.

Bug 33754255
Bug 33827301
Bug 33763750
Bug 33896221
Bug 33682723

Because there is not enough time to fix optimization problems
prior to shipping 25.1.1, it is being turned off by default.

Test: gradelw connectedCheck in fragments/

Change-Id: Ie180151b728994fa180684233856deab2e157df6
6 files changed