am 659adc0b: Merge "Change "make PRODUCT-XXX-tests" to build only tests-build-target" into gingerbread

Merge commit '659adc0b54e40b3b194c84ad4ac8d2e775276e60' into gingerbread-plus-aosp

* commit '659adc0b54e40b3b194c84ad4ac8d2e775276e60':
  Change "make PRODUCT-XXX-tests" to build only tests-build-target