Update Googletts to 14.7

BUG=b:169173203
TEST=Manual Testing

Change-Id: Ibef1d3ef0e97302fd17d50eca19a2bb570f6996e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2585536
Reviewed-by: David Tseng <dtseng@chromium.org>
Tested-by: David Tseng <dtseng@chromium.org>
2 files changed