GitLab

Adds a crash key so we can identify oom intervention related crashes.

Bug: None
Change-Id: I96722ec0af4362aa42536d119f92c06084cd9012
Reviewed-on: https://chromium-review.googlesource.com/c/1484396
Commit-Queue: Keishi Hattori <keishi@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Yuzu Saijo <yuzus@chromium.org>
Cr-Commit-Position: refs/heads/master@{#636648}