Merge inc file into bb, there are no other users of it
Delete gettid patch, fixed differenty upstream
Add code to use cross compiler in setup.py
Define GRPC_PYTHON_DISABLE_LIBC_COMPATIBILITY so it does not use
SYS_clock_gettime syscalls since it does not work when 64bit time_t is
used on 32bit arches
Signed-off-by: Khem Raj <raj.khem@gmail.com>
