Revert "Use new GX overlay for new AOD/lockscreen transitions."

Revert "Use new GX overlay for new AOD/lockscreen transitions."

Revert submission 13519645-aod-lockscreen-animation-flag

Reason for revert: b/179947580
Reverted Changes:
I343400700:Use new GX overlay for new AOD/lockscreen transiti...
I326ad5294:Use new GX overlay for new AOD/lockscreen transiti...

Change-Id: I8705764f0a0505d1851cf3d9c988fff0f3ec3cdd