Adding mbonadei@ to build_files WATCHLIST.

Bug: None
Change-Id: I17396963d4c82e24b85a548106a0b18a2521c2ad
No-Try: True
Reviewed-on: https://webrtc-review.googlesource.com/84283
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23683}
diff --git a/WATCHLISTS b/WATCHLISTS
index 4eab89f..845ff3c 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -100,6 +100,7 @@
                    'peah@webrtc.org',
                    'qiang.lu@intel.com',
                    'yujie.mao@webrtc.org'],
+    'build_files': ['mbonadei@webrtc.org'],
     'common_audio': ['alessiob@webrtc.org',
                      'aluebs@webrtc.org',
                      'andrew@webrtc.org',