Add ability to `make cmsdk-test-coverage` to generate an html page which denotes how much the testing package from vendor/cmsdk covers public interfaces. Change-Id: I76556df1822934a6b7e86ebf2ff42e302acff46d TICKET: CYNGNOS-2189
Change-Id: I2c8b8425262a6812f1061326c55ffc7418967444 TICKET: CYNGNOS-1950