All .strings files that need to be in binary1 format are now
converted by using the "bundle_data_strings" template so the
conversion can be remove from "copy_bundle_data" tool.
BUG=625578
Review-Url: https://codereview.chromium.org/2130813002
Cr-Original-Commit-Position: refs/heads/master@{#404621}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: f52c49dc18851aaf7ca4f3a78b5312350193f5ba