Add xianyuanjia@ to the OWNERS file am: 59f35623bc

Original change: https://android-review.googlesource.com/c/platform/external/python/mobly/+/3505794

Change-Id: I2340b80a42f2a4a626e2666e07f933849639c14a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

OWNERS

diff --git a/OWNERS b/OWNERS
index 9d0371a..6f10248 100644
--- a/OWNERS
+++ b/OWNERS
@@ -6,4 +6,5 @@
 # Mobly team - use for mobly bugs
 angli@google.com
 lancefluger@google.com
+xianyuanjia@google.com
 include platform/system/core:/janitors/OWNERS #{LAST_RESORT_SUGGESTION}