Set coverage to false for dex2oat.

dex2oat explicitly sets address to false when SANITIZE_TARGET is
non-empty, in order to prevent it being compiled with ASAN. This CL also
sets coverage to false to prevent build errors when
SANITIZE_TARGET="address coverage" (because coverage currently does not
work without address).

Bug: 29188876
Test: SANITIZE_TARGET="address coverage" builds without error
Change-Id: I0faeb7fab76678b923af732235188e19e08ea90c
1 file changed