Merge "goldfish-opengl: Protect shared texture objects map" am: a764f43911 am: cb3d1dedda am: b6ec552b80

Original change: https://android-review.googlesource.com/c/device/generic/goldfish-opengl/+/1947945

Change-Id: I68da6f0420d839899b504437c07f18991157ee6c