Fix -Wshadow on Android.

Bug: 1344231
Change-Id: Ia71ee988cd4305c9df248439f493a9331be7bfa5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3869670


Commit-Queue: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Maxim Kolosovskiy <kolos@chromium.org>
Reviewed-by: Piotr Bialecki <bialpio@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1042615}