git_cache: wrap "git remote show" call in retries
git_cache: wrap "git remote show" call in retries

BUG=b:236709670
TEST=none

Change-Id: I575dd82260acdbeef3c4c7607e2c2ac8020a44c9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3749247
Commit-Queue: Jack Neus <637a03e54142c9dd2745baaba80dc7ff19c64b6c@google.com>
Reviewed-by: Aravind Vasudevan <dbe94b625b74f03bb5e24a737a4f1e15753433de@google.com>
Reviewed-by: Gavin Mak <bdcbd10822f2f5deecea3bf14d73e9025b1b8375@google.com>

CoherentLabs/depot_tools,CoherentLabs/depot_tools