Disable blending for opaque TextureView

Opaque TextureView set by TextureView.setOpaque(true), should
draw with SRC blending, which in practice disables GL
blending.

Test: Ran Naver app, which is using opaque TextureView
Bug: 113845024
Change-Id: I5daa455a72b0ded50d6f9578f3b8a8701532f9d4
Merged-In: I5daa455a72b0ded50d6f9578f3b8a8701532f9d4
(cherry picked from commit 8fc3d8e09d7788a96559d31dc502e99fce4f1378)
4 files changed