Update automake version

Reverts part of fix for case 1073634

The format string was incorrect in this case, which leads to this crash
in Unity:

https://crashes.hq.unity3d.com/crashes/5aa00d01b4db11000de20c8e?versions_range=2018.3.5..2019.2.99&date_start=&date_end=&source=

Simply remove the unused `%s` format specifier here.

[Android] Fix the issue that Environment.TickCount returns wrong valu…

[Android] Fix the issue that Environment.TickCount returns wrong value due to /proc/uptime is unaccessible on Android 8 and above.

Added ability to continue domain unload when an exception is encountered

This repo has been moved to Github Enterprise, so point the clone code
in the build script to the new location.

Store handled status in local that is passed into
handler rather than a single thread local value
which can be overwritten in case of reentrance.

Attempt to use Win32 APIs first to retreive current timezone. Registry value can be null/corrupt (case 1076679)