Allowing C++14 in libyuv.
Allowing C++14 in libyuv.

Bug: None
Change-Id: I2600e1012fa3fab5b8d2ad6e4af44dfa97e95ea4
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/1789304
Reviewed-by: Frank Barchard <52415189a3f67d375195cbbb6fdb1f1759498e57@chromium.org>
Commit-Queue: Mirko Bonadei <d2c43c210eae6feef04f53bae50885e8152edcca@chromium.org>

lemenkov/libyuv,lemenkov/libyuv,lemenkov/libyuv,lemenkov/libyuv