These were recently reverted from the Android Vulkan loader, and must
also be reverted from ANGLE.  When the Android Vulkan loader adds
back support, it will be conditional based on whether the device
supports those formats.  Therefore, at that time, ANGLE will need to
do the same.

Bug: http://anglebug.com/4019
Bug: http://anglebug.com/4061
Bug: http://anglebug.com/4062
Change-Id: I0b749dc8be0439e6f3b8eeeb51716d4185e9b021
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1887393Reviewed-by: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
Commit-Queue: Ian Elliott <ianelliott@google.com>