Fast path translate() in SkCanvas and SkLiteDL.

This adds didTranslate() so that SkLiteDL (and other canvas recorders)
can record the translate rather than the full concat.

It also adds a case to SkMatrix::preTranslate() to fast path
translate x translate -> translate (i.e. +=).

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2255283002

Committed: https://skia.googlesource.com/skia/+/5fa47f4fd13b3158de4599414c86d17649c2dd1c

Misc bots failing in pictureimagefilter replay modes.
https://luci-milo.appspot.com/swarming/task/30b8e53f3a1f4f10/steps/dm/0/stdout

Problem is FMA vs. not.

CQ_INCLUDE_TRYBOTS=master.client.skia:
Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Fast-Trybot

Review-Url: https://codereview.chromium.org/2255283002
11 files changed