Add dependency between host gtests and test dex file generation
Add dependency between host gtests and test dex file generation

This fixes test-art-host-gtest-jni_internal_test which was complaining
about the lack of art-test-dex-NonStaticLeafMethods.jar in a top level
build.

(cherry picked from commit 4178729e7735b1e02990f12b39f41217ce80ef58)

Change-Id: I1ebbd7bcb8a3d6c4ab8824d165ebc9d1e69cb633

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst