tree 67f59b8aefbad3d0f3e81dd389e5efcf6bb8048c
parent 56e89ade33c649412999d2663acc2f12ca9873a8
author Chenjie Luo <cjluo@google.com> 1488831127 -0800
committer Chenjie Luo <cjluo@google.com> 1488841472 -0800

Define _LOG as a weak symbol.

So _LOG could be overridden by customized logging
implementations in non-Android systems.

Bug: 35919515
Test: Test on device
Change-Id: I0885c15353c0b1bf66f6f156e7f502f326b85d57