Roll src/third_party/libvpx/source/libvpx/ 30c261b1e..9a2dd7e67 (35 commits)

https://chromium.googlesource.com/webm/libvpx.git/+log/30c261b1ebe8..9a2dd7e67ed2

$ git log 30c261b1e..9a2dd7e67 --date=short --no-merges --format='%ad %ae %s'
2017-09-08 jzern vpx_scale_test.h: remove #if from inside macro
2017-09-06 linfengz Update convolve functions' assertions
2017-09-05 linfengz Add 2 to 1 scaling NEON optimization
2017-09-05 linfengz Refactor convolve8 NEON functions
2017-09-05 linfengz Add ScaleFrameTest
2017-09-06 pbos Remove support for stdatomic.h.
2017-08-28 linfengz Remove get_filter_base() and get_filter_offset() in convolve
2017-09-05 slavarnway vpxdsp: [x86] add highbd_dc_128_predictor functions
2017-09-03 yinshiyou-hf vp8: [loongson] optimize sixtap predict with mmi
2017-09-02 yinshiyou-hf vpxdsp: [loongson] optimize sad functions with mmi
2017-08-31 jzern test,Android.mk: export gtest include path
2017-08-27 noreply apply clang-format
2017-08-27 jzern .clang-format: update to 4.0.1
2017-08-31 pbos Prevent data race from low-pass filter.
2017-08-25 pbos Add atomics to vp8 synchronization primitives.
2017-08-29 jianj vp9: Skip testing duplicate zero mv in nonrd-pickmode.
2017-08-30 jzern inv_txfm_vsx: fix loads in high-bitdepth
2017-08-30 jianj Revert "Re-enable disabled tests under TSan."
2017-08-30 slavarnway vpxdsp: [x86] add highbd_dc_left_predictor functions
2017-08-29 slavarnway vpxdsp: [x86] add highbd_dc_top_predictor functions
(...)

Created with:
  roll-dep src/third_party/libvpx/source/libvpx
[email protected]

Bug: 
Change-Id: I5794138d15d3d41a542d930971a38499d4e5bfc5
Reviewed-on: https://chromium-review.googlesource.com/660877
Reviewed-by: Johann Koenig <[email protected]>
Commit-Queue: Jerome Jiang <[email protected]>
Cr-Commit-Position: refs/heads/master@{#501014}
25 files changed