Merge tools/grit from https://chromium.googlesource.com/external/grit-i18n.git at 09ac06a38baa2cf86f4862bbd1c0e6d92d130bf2

This commit was generated by merge_from_chromium.py.

Change-Id: I0546fb02fc1162a7cf8da533e9a5591193c2504c