Add support for importing AHardwareBuffers into SkSurfaces.

Bug: skia:
Change-Id: I0a3b3d607e1b74787480b03520a07839c87486dc
Reviewed-on: https://skia-review.googlesource.com/c/189980
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
8 files changed