//components: Convert base::(U)Int(64)ToString(16) to NumberToString(16)

The former non-overloaded variants are deprecated.

This is a mechanical change; there is no intended behavior change.

Bug: 929827
Change-Id: If0ba8611cd3ffa2e40d425bce3427ea7e63eeac1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1536182
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Commit-Queue: Raul Tambre <raul@tambre.ee>
Cr-Commit-Position: refs/heads/master@{#643940}