Remove dependency on platform-system-robolectric

Dependency on platform-system-robolectric is not needed when mockito
is not necessary.
If mockito is needed, add a static dependency on
mockito-robolectric-prebuilt.

Test: cd tests/robotests && mma
Bug: 38456058
Change-Id: I6fa83e1f4cea55845dbb3369eda4065d93e85d35
1 file changed
tree: 5e74bb50cd3557c42b6bfc897ea41c06e254d189
  1. src/
  2. tests/
  3. Android.mk
  4. AndroidManifest.xml
  5. proguard.cfg