Add a test-art-host-gtest-dependencies target

Adds a test-art-host-gtest-dependencies target that will build, but
not execute, all the gtests and their dependencies. This is useful if
you are executing gtests externally from the make runner.

Currently this doesn't support the target gtests since those need to
be pushed to the device as well in order to run.

Test: Manual
Change-Id: I8f96cbbbd79ced16a406a3725a39f9c49f61adcd
1 file changed