build-unit-test-docker: Make common cmake flags

We have a common set of flags we want to pass to all cmake type builds.
This defines them in a common area and substitutes them into each cmake
command line.

Change-Id: Idf685d1c9cd4ce1016b0a1ad235c9b9370d6555a
Signed-off-by: William A. Kennington III <wak@google.com>
1 file changed