[sanitizer] Move FindThreadByOSIdLocked from lsan to sanitizer_common.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182728 91177308-0d34-0410-b5e6-96231b3b80d8
[lsan] Begin converting LSan tests to output tests.

In this CL all old tests are removed and one LIT test is added.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182730 91177308-0d34-0410-b5e6-96231b3b80d8
Use an address-of operator here to silence an MSVC warning.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182740 91177308-0d34-0410-b5e6-96231b3b80d8
[nolibc] Make AddressInfo::Clear a weak function.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182743 91177308-0d34-0410-b5e6-96231b3b80d8