Merge "Revert "Stop writing coverage data in coverage-flush signal handler"" am: 2f5dc1b054 am: d926bc8dc0 am: d173724888

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1953578

Change-Id: I3131653fcf4125ee842f4289fecf6de1847e393b