Export of internal Abseil changes
Export of internal Abseil changes

--
6ac972ce1a042a8925c20cb8b76897b018990de4 by Abseil Team <absl-team@google.com>:

Improve failure reports in signal handler test.

PiperOrigin-RevId: 278377121
GitOrigin-RevId: 6ac972ce1a042a8925c20cb8b76897b018990de4
Change-Id: I74c8cd5c633f2dc77d533556184071a9af6e2768

abseil/abseil-cpp,abseil/abseil-cpp,firebase/abseil-cpp,firebase/abseil-cpp,firebase/abseil-cpp,abseil/abseil-cpp,abseil/abseil-cpp,firebase/abseil-cpp