[manifest] Roll skia 6d546b5cd..e978ca297 (7 commits)

https://skia.googlesource.com/skia.git/+log/6d546b5cd..e978ca297

2018-11-01 mtklein@google.com limit range of surface sizes in surface_image_unity
2018-11-01 michaelludwig@google.com Switch to postConcat from preConcat
2018-11-01 benjaminwagner@google.com Un-omit Win10 IntelIris540 Vulkan tests.
2018-11-01 michaelludwig@google.com Remove vertex-shader perspective divide
2018-11-01 michaelludwig@google.com Expose aaType in simple mesh draw op helper
2018-11-01 michaelludwig@google.com Send correct 3rd component for uvr vertex attribute
2018-11-01 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader adfbbcbed6e7..75889d00033b (1 commits)


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


TEST=CQ

Change-Id: Ifc9e54e32e12a54c558b0fa4e5bf5ffbc59d1bc6
1 file changed