Turn off RedundantFieldInitCheck for classes that implement IInterface

See bugs for rationale

Bug: 904912,906160
Change-Id: Ib3e45f2eee2189e90179a6857e5878342c9393ce
Reviewed-on: https://chromium-review.googlesource.com/c/1340900
Reviewed-by: agrieve <agrieve@chromium.org>
Commit-Queue: Aiden Benner <abenner@google.com>
Cr-Original-Commit-Position: refs/heads/master@{#608954}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: ce7cbad0ae4413c7c5398fb450ed011b25d357f5
1 file changed