Roll src/third_party/skia fad9fbc3c4da..d7639aff1001 (4 commits)

https://skia.googlesource.com/skia.git/+log/fad9fbc3c4da..d7639aff1001


git log fad9fbc3c4da..d7639aff1001 --date=short --no-merges --format='%ad %ae %s'
2019-07-17 halcanary@google.com Samples: clean up cruft
2019-07-17 fmalita@chromium.org [skottie] Remove deprecated loadImageAsset API
2019-07-17 mtklein@google.com split deaths() out of other analysis
2019-07-17 reed@google.com search for 'main' explicitly


Created with:
  gclient setdep -r src/third_party/skia@d7639aff1001

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux-blink-rel;luci.chromium.try:linux-chromeos-compile-dbg;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=nifong@google.com

Change-Id: I3c76f1800f230d6fb782178b50629e9186da7554
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1707064Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#678461}

DEPS

@@ -144,7 +144,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': 'fad9fbc3c4da8b4274f81f64d637a3a01b833ba0',
+  'skia_revision': 'd7639aff1001736bc6072da539b31f911bb3788a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.