Revert "Fix more new Clang warnings"

This reverts commit 3d5483a5474521b52896410c6648fe2513d47a4d.

Reason for revert: Android roll.

Original change's description:
> Fix more new Clang warnings
>
> Change-Id: I82a13744669a6b5c23e23e6a719ec79878114dab
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/418697
> Commit-Queue: Brian Osman <brianosman@google.com>
> Reviewed-by: Kevin Lubick <kjlubick@google.com>

TBR=kjlubick@google.com,brianosman@google.com

Change-Id: I2032ee5efdb297b7cfdbe60ff2546305ef96ea57
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/418937
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
4 files changed