Sanitizer bot: wait longer for the emulator to initialize.

Seems to help with the bot stability.


git-svn-id: https://llvm.org/svn/llvm-project/zorg/trunk@223221 91177308-0d34-0410-b5e6-96231b3b80d8
Sanitizer buildbot: run asan tests in use-after-return mode as well.


git-svn-id: https://llvm.org/svn/llvm-project/zorg/trunk@223223 91177308-0d34-0410-b5e6-96231b3b80d8