Expose the required GLES1.0/1.1 extensions in ANGLE Exposed below extensions: GL_OES_texture_mirrored_repeat GL_OES_blend_subtract Bug: angleproject:380704155 Change-Id: Ib095f9bfaabda92bb2c588d633f1512e118f066e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6038450 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>