Roll flac 2c4b86af:2d224742
Roll flac 2c4b86af:2d224742

9fc1ca46 Update flac URL in README.chromium.
59c0c55a Update FLAC to 1.3.1
2d224742 README.chromium: restore the Name field

BUG=610125

Review-Url: https://codereview.chromium.org/1965553004
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#392693}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk