Added a gmock makefile.
Added a gmock makefile.

aungzanbaw/gjstest,google/gjstest,okdave/gjstest,google/gjstest,okdave/gjstest,google/gjstest,aungzanbaw/gjstest,aungzanbaw/gjstest,okdave/gjstest,aungzanbaw/gjstest,okdave/gjstest,google/gjstest