Set max mipmap level along with base.

Helps with performance and incorrect miplevel sampling on some drivers.
From: https://skbug.com/14194

Bug: skia:13566
Change-Id: I2689e2664a74bd04c28cf0c3df11eb17e332d29a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/658079
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
3 files changed