khronos: 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: Ib90a32767d8e6935f7b5a73a350dd011aeee358f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/khronos/+/1682695
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..50449bd
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,3 @@
+hoegsberg@chromium.org
+marcheu@chromium.org
+sheu@google.com