Add instrumented_libraries_release arg to MSAN bots

Bug: None
Change-Id: I306f63b44cb3ce88b7527d6a5456bddd113e807a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/286761
Commit-Queue: Daniel.L (Byoungchan) Lee <daniel.l@hpcnt.com>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Jeremy Leconte <jleconte@google.com>
Cr-Commit-Position: refs/heads/main@{#38835}
diff --git a/tools_webrtc/mb/mb_config.pyl b/tools_webrtc/mb/mb_config.pyl
index 29ec7a9..6bf3d52 100644
--- a/tools_webrtc/mb/mb_config.pyl
+++ b/tools_webrtc/mb/mb_config.pyl
@@ -453,7 +453,8 @@
       'gn_args': 'symbol_level=1',
     },
     'msan': {
-      'gn_args': 'is_msan=true msan_track_origins=2',
+      'gn_args': 'is_msan=true msan_track_origins=2'
+                 ' instrumented_libraries_release = "xenial"',
     },
     'no_goma': {
       'gn_args': 'use_goma=false',