Add ability to disable detailed error message in RTC_CHECKs

Bug: webrtc:11133
Change-Id: I989654f1fb97b476a17956d69ee374406439ea8f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/160653
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29952}
diff --git a/webrtc.gni b/webrtc.gni
index 2aefe25..56a1b0d 100644
--- a/webrtc.gni
+++ b/webrtc.gni
@@ -248,6 +248,10 @@
 
   # Set this to true to disable trace events.
   rtc_disable_trace_events = false
+
+  # Set this to true to disable detailed error message and logging for
+  # RTC_CHECKs.
+  rtc_disable_check_msg = false
 }
 
 # Make it possible to provide custom locations for some libraries (move these