DO NOT MERGE Prevent ImageWallpaper from keeping crashing

GLUtil.texImage2D may throw exception that indicates bad image format.
We should catch this exception, otherwise, systemui may keep crashing.

Bug: 156087409
Test: Set a 16-bit rgb image as wallpaper
Test: Systemui shouldn't keep crashing
Change-Id: I6c9715c049b7848ecd5559ab76612a98dcd4ee6f
(cherry picked from commit a3bff94e)