[v2] hwcomposer: fix parallel builds

libhybris-hwcomposerwindow.la was not built before eglplatform_hwcomposer.la thus the error.

Signed-off-by: groleo <adrian.m.negreanu@intel.com>
tests: link test_hwcomposer with libhardware

it's used for hw_get_module

Signed-off-by: groleo <adrian.m.negreanu@intel.com>
Merge pull request #97 from groleo/tz

fix parallel build