[automerger skipped] Merge "Check GL extension is supported before using it in glwallpaper" into stage-aosp-master am: 81506ef4b7 -s ours
am: a15aa82167 -s ours
am skip reason: change_id I72edeb0f4dc03e51bda22209415604e752c18e52 with SHA1 2ef0814056 is in history

Change-Id: Ic261a2c90076ef4a766abfdfc7347016339406a8