Vulkan: Set external image's tiling mode based on AHB usage flags For external images which can be accessed by CPU, the tiling mode should be linear. So, query the usage of the Android Hardware Buffer and derive the tiling mode based on AHB usage flags. Bug: angleproject:4735 Change-Id: I1b91c6800d414d73091032e40d8e4f1e8f6c101b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2241780 Commit-Queue: Mohan Maiya <m.maiya@samsung.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>