Fix TextureView glitch and memory leak

Keep EglImage/VkImage alive until the last SkImage object using
it is destroyed.
Fix memory leak with GL pipeline only, caused by destroying
EGLImage on the wrong thread.
Make sure cached SkImage dtor is invoked on RenderThread.

Bug: 128523183
Bug: 128688107
Test: Ran settings app, systrace and CTS
Change-Id: I32c14c7174a2a97e54fbfaa49dffb4e9a160f90d