Roll src/third_party/skia/ 71a699508..88b12e9a8 (2 commits)

https://skia.googlesource.com/skia.git/+log/71a6995084bd..88b12e9a8628

$ git log 71a699508..88b12e9a8 --date=short --no-merges --format='%ad %ae %s'
2018-05-08 khushalsagar fonts: Fix subpixel position mismatch in font remoting
2018-05-08 scroggo Treat SkFILEStream's fOriginalOffset as the start

Created with:
  roll-dep src/third_party/skia
BUG=chromium:b/78866720


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

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=master.tryserver.blink:linux_trusty_blink_rel;luci.chromium.try:android_optional_gpu_tests_rel;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=egdaniel@chromium.org

Change-Id: I968f86777b7aa82e30363d9e706a738786c72b31
Reviewed-on: https://chromium-review.googlesource.com/1050874Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#557056}

DEPS

@@ -96,7 +96,7 @@ 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': '71a6995084bd493622f4c701db1bf82edb15e062',
+  'skia_revision': '88b12e9a8628692368f8e64b8fe93d0d0b0cf223',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.