Revert "RESTRICT AUTOMERGE Add feature flag to disable resource updatability APIs" This reverts commit 50f529a1e141a103410df6da1aefba8c7506f21a. Reason for revert: b/232270123 Change-Id: Iddf33e62e733bfeafc93e15c90c4978087a28829 (cherry picked from commit 00c0a92877531aee6a58085884054802a9df73ef) Merged-In: Iddf33e62e733bfeafc93e15c90c4978087a28829