Merge "debuggerd: use One True timestamp function." am: ba1bd64ca2 am: 03773e8c42 am: 9ef81e44b0

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1371520

Change-Id: I5a0f345f11d8d413a603e681e8e37471edb3921a