Initial rebaselines for complexclip3

TBR=
NOTRY=True
BUG=skia:

Review URL: https://codereview.chromium.org/810423003
rebase and update ignore

TBR=
NOTRY=True
BUG=skia:

Review URL: https://codereview.chromium.org/816963002
Remove legacy Picture defines.

No longer needed by Android.

Review URL: https://codereview.chromium.org/788903006
Enable new gradients + suppress gms for now

This reverts commit 2c770271e612376508c18793c7067598378a00d9.

BUG=skia:
TBR=

Review URL: https://codereview.chromium.org/811753003
update ignore list for prev CL

BUG=skia:
TBR=
NOTRY=True
NOTREECHECKS=True

Review URL: https://codereview.chromium.org/810123003