Revert "New flag: RELEASE_APEX_USE_EROFS_PREINSTALLED" This reverts commit d6d0f68d98da34356a684717bd4932e2456a2530. Reason for revert: DroidMonitor: Potential culprit for http://b/381204036 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted. Change-Id: I52130120425cb9725746ea1309cafc8387ddd682