inputcontrol: Add OWNERS file

This CL is populating OWNERS file based on the candidates in the Chrome OS OWNERS status sheet.

BUG=b:132095048
TEST=None

Change-Id: I695331aa7a9c052c053a4813bde67453a65f3714
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/inputcontrol/+/1682808