minigbm: virtgpu: Fix mapping of DRM_FORMAT_ABGR16161616F

This fixes SingleLayer_ColorTest_CpuWriteColorGpuRead_R16G16B16A16_FLOAT
in AHardwareBufferNativeTests with help of this upstream CL:
https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/434

BUG=b:158618381
TEST=manual - the failed test passed

Change-Id: Ib57bd316c17baa7129a6f4067487b88fe0f6e527
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/2511795
Tested-by: Lepton Wu <lepton@chromium.org>
Auto-Submit: Lepton Wu <lepton@chromium.org>
Reviewed-by: Jason Macnak <natsu@google.com>
Reviewed-by: David Stevens <stevensd@chromium.org>
Commit-Queue: Lepton Wu <lepton@chromium.org>
1 file changed