Oilpan: Rename GcState to GetGCState

Bug: None
Change-Id: I19d82254b3ac14a10493f7d929d7f74748bf4040
Reviewed-on: https://chromium-review.googlesource.com/1090419
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Keishi Hattori <keishi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565200}
3 files changed