Build Settings-robo-testutils for use by SettingsGoogleRoboTests

This relands I385629c5c958e94ea289e88b0e65eb005006f4e3.

Bug: 175124789
Change-Id: Ib2cb9f4e080f4de6313d7dba3185709fd60130b7
Test: m RunSettingsGoogleRoboTests
1 file changed