Advance RELEASE_R8_FULL_MODE_BY_DEFAULT to true in trunk_staging This commit was automatically created by a workflow in Gantry: https://releasetracker.partner.android.com/changes/cri0qma000001?stage_id=1vbm8uq000001 Flag: RELEASE_R8_FULL_MODE_BY_DEFAULT Ignore-AOSP-First: Flag change added internally for future AOSP release Workflow-User: jdduke@google.com Bug: 215530220 Change-Id: I7c491ef613e79ded6588b1a1c2a0983124ecc544