tree e15a451401391cb3c31f145d1fcd730a3a68ba87
parent 8edbb3acc9e0acc4b12abc431515d081571886f8
author Yi Kong <yikong@google.com> 1503976209 +0800
committer Yi Kong <yikong@google.com> 1504246904 +0800

Add support for thin LTO

ThinLTO achieves comparable performance to full LTO while taking much
less time for compilation.

Test: Build hwui with "thin" and "full" LTO
Change-Id: If3400b82af0d5e0226410c8b740999cdad746a59