DevTools: Parse localizable strings created by Common.UIStringFormat

Modify the presubit script to automatically parse localizable strings
created by new Common.UIStringFormat(). Add existing strings to the grdp
files.

Bug: 941561
Change-Id: I5b4538d1f4df37b4dc3b1796df069c6eaad6f2bf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1666484
Reviewed-by: Joel Einbinder <einbinder@chromium.org>
Commit-Queue: Mandy Chen <mandy.chen@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#672286}
4 files changed