Updates the built-in Google TTS engine.

Notable update is that TTS events now send start and end character
indexes with each 'word' event.

TEST=Tested on ChromeOS emulated on Linux, an Eve chromebook (x86_64) and a Peach Pit (arm). The TTS debug extension showed no issues, spot checking voices they all seem to work correctly.
BUG=chromium:815378
Change-Id: Ie925b95dff1585d5eabcfccd1237172def131821
Reviewed-on: https://chromium-review.googlesource.com/1478924
Commit-Ready: Katie Dektar <katie@chromium.org>
Tested-by: Katie Dektar <katie@chromium.org>
Reviewed-by: Katie Dektar <katie@chromium.org>
53 files changed
tree: 33112beef14b8e5c6c2a09f3b29ae1801512c14c
  1. chromeapps/
  2. connectivity_diagnostics/
  3. connectivity_diagnostics_launcher/
  4. images/
  5. images_100_percent/
  6. images_200_percent/
  7. speech_synthesis/
  8. text/
  9. README.md
README.md

Common Assets

This repository assets contains assets (images, sounds, etc.) that are used in both official and unofficial builds. These files are installed by the common-assets package.

See also the chromiumos-assets repo which has unofficial resources, and the chromeos-assets (internal only) repo which has official resources.