tree f787c62896548efa42c030d3849afef9e62c3cc2
parent f16b55cda2c0f7582483b9939ea7135a8e0620a2
author Chih-Hung Hsieh <chh@google.com> 1506982807 -0700
committer Chih-Hung Hsieh <chh@google.com> 1509561175 -0700

Use -Werror in system/core

* Move -Wall -Werror from cppflags to cflags.
* Fix/suppress warning on unused variables.

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: I1e05e96a1d0bcb2ccef1ce456504b3af57167cc5