Add require_root to binderSafeInterfaceTest and binderLibTest

After aosp/1120806 is landed, all gtest without require_root set to true
will default to have adb unroot on the device.

Bug: 140123924
Test: atest
Change-Id: Ie59bb9e04ffbf6827dfcd832713db8b2cff50528
1 file changed