Use the default C version. am: d86fbe0e22 am: e94347008e am: 8eedb2b5e4

Original change: https://android-review.googlesource.com/c/platform/external/virglrenderer/+/2628293

Change-Id: I6b89281be2c9f239dabe9df5849459e3ca9d410b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>