Fixed time moving backwards in the AudioCodingModule.

webrtc/base/checks.h

Index: webrtc/base/checks.h
diff --git a/webrtc/base/checks.h b/webrtc/base/checks.h
index 681361a3d29794ab65bad98c42f7f12d3ee41b55..e66c0611864392792833b1244dc11a835c24b725 100644
--- a/webrtc/base/checks.h
+++ b/webrtc/base/checks.h
@@ -220,7 +220,8 @@ class FatalMessage {
 // remainder is zero.
 template <typename T>
 inline T CheckedDivExact(T a, T b) {
-  RTC_CHECK_EQ(a % b, static_cast<T>(0));
+  RTC_CHECK_EQ(a % b, static_cast<T>(0)) << a << " is not evenly divisible by "
+                                         << b;
   return a / b;
 }