Use -Werror in cts/.../Anroid.mk

* Suppress existing warnings.

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: Ic599c9e11ea4f991b7e60930c891a6d736623b39
1 file changed
tree: d2c14c972cbc82857d1188a9d20ab77834efdd48
  1. tests/