Roll external/skia 07b818801..ca145bec7 (2 commits)
Roll external/skia 07b818801..ca145bec7 (2 commits)

https://skia.googlesource.com/skia.git/+log/07b818801..ca145bec7

2019-02-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 7f8fa973f84b..8f79d388784c (2 commits)
2019-02-20 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 0a60818466f1..7f8fa973f84b (1 commits)

The AutoRoll server is located here: https://autoroll-internal.skia.org/r/android-master-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: Presubmit checks will test this change.
Change-Id: Id47d5df2927589a90ce7ec9a92e3f59e589f3032
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.

Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia