Roll src/third_party/libvpx/source/libvpx/ 37a0283b1..8648a64c8 (16 commits)

https://chromium.googlesource.com/webm/libvpx.git/+log/37a0283b18a1..8648a64c83b5

$ git log 37a0283b1..8648a64c8 --date=short --no-merges --format='%ad %ae %s'
2018-06-15 jianj VP9 HBD: Fix integer overflow problem in variance calc.
2018-06-15 tomfinegan Clean up avx512 compiler support test.
2018-05-23 jingning Prepare motion estimation process for temporal dependency model
2018-05-23 jingning Construct temporal dependency building system
2018-06-14 jianj vp9 svc: add tests for inter layer prediction.
2018-06-14 zoeliu Separate GF structure defining from bit allocation
2018-05-21 jingning Allocate tpl_dep_stats frame buffer
2018-06-14 jingning Add temporal model control as a speed feature
2018-05-21 jingning Add data structure for frame dependent mode decision
2018-06-13 luc [VSX] Optimize PROCESS16 macro
2018-06-13 zoeliu Unify frame_index in defining GF group structure
2018-06-13 jianj vp8: remove assertion in tree coder.
2018-06-13 luc VSX Version of SAD8xN
2018-06-13 luc Add Speed Tests for the SADTest test suite.
2018-06-13 tomfinegan Fix avx512 related MSVC build failure.
2018-06-12 jingning Remove duplicate vp9_twopass_postencode_update def

Created with:
  roll-dep src/third_party/libvpx/source/libvpx
R=johannkoenig@google.com

Bug: 805277, webm:1534
Change-Id: I3fe5dc01690c4e2e43905663e5204b7e806e4b1c
Reviewed-on: https://chromium-review.googlesource.com/1103855Reviewed-by: Johann Koenig <johannkoenig@google.com>
Commit-Queue: Jerome Jiang <jianj@google.com>
Cr-Commit-Position: refs/heads/master@{#568041}

DEPS

@@ -787,7 +787,7 @@ deps = {
   },
 
   'src/third_party/libvpx/source/libvpx':
-    Var('chromium_git') + '/webm/libvpx.git' + '@' +  '37a0283b18a12b60e28050ea05682e5a39f0ec9e',
+    Var('chromium_git') + '/webm/libvpx.git' + '@' +  '8648a64c83b5660eae774d5d41f34fc014ba7b4b',
 
   'src/third_party/libwebm/source':
     Var('chromium_git') + '/webm/libwebm.git' + '@' + '01c1d1d76f139345c442bfc8e61b4e1cba809059',

third_party/libvpx/README.chromium

@@ -5,9 +5,9 @@ License: BSD
 License File: source/libvpx/LICENSE
 Security Critical: yes
 
-Date: Tuesday June 12 2018
+Date: Saturday June 16 2018
 Branch: master
-Commit: 37a0283b18a12b60e28050ea05682e5a39f0ec9e
+Commit: 8648a64c83b5660eae774d5d41f34fc014ba7b4b
 
 Description:
 Contains the sources used to compile libvpx binaries used by Google Chrome and

third_party/libvpx/source/config/vpx_version.h

@@ -2,7 +2,7 @@
 #define VERSION_MAJOR  1
 #define VERSION_MINOR  7
 #define VERSION_PATCH  0
-#define VERSION_EXTRA  "465-g37a0283b1"
+#define VERSION_EXTRA  "493-g8648a64c8"
 #define VERSION_PACKED ((VERSION_MAJOR<<16)|(VERSION_MINOR<<8)|(VERSION_PATCH))
-#define VERSION_STRING_NOSP "v1.7.0-465-g37a0283b1"
-#define VERSION_STRING      " v1.7.0-465-g37a0283b1"
+#define VERSION_STRING_NOSP "v1.7.0-493-g8648a64c8"
+#define VERSION_STRING      " v1.7.0-493-g8648a64c8"