[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: 8ca4dfc5ce -s ours
am skip reason: change_id I72edeb0f4dc03e51bda22209415604e752c18e52 with SHA1 fa68e66207 is in history

Change-Id: If35050bbe35654600807bf173324322caaa3b2ce