Merge third_party/libjpeg_turbo from https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git at 034e9a9747e0983bc19808ea70e469bc8342081f

This commit was generated by merge_from_chromium.py.

Change-Id: I42f87169a0bcae23eebac9cd6f05d3b4305149cb