Extend SodaInstaller.* metrics

This CL extends the SodaInstaller.* metrics. These metrics are used to monitor rollouts of new SODA versions.

Bug: 1433921
Change-Id: I96ce9521c8d1d17eea230581addcba4c375a4feb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4552561


Reviewed-by: Abigail Klein <abigailbklein@google.com>
Commit-Queue: Evan Liu <evliu@google.com>
Cr-Commit-Position: refs/heads/main@{#1147415}