Revert "cros_gralloc: map custom drm fourcc back to standard fourcc"

This reverts commit 64d22e93619230d334475b7cf1555e6204663f5e.

The underlying change is being reverted and then will be re-added
via a fresh merge from upstream in order to sync internal and aosp
branches.

Bug: b/161909468
Test: launch_cvd
Change-Id: Icf785d33d4b219a1ac95b37bb03f23541347e446
1 file changed