Note the performance enhancement in sk_free
Note the performance enhancement in sk_free

This mainly affected armv7 devices with some larger
regressions around 15%. The other platforms where much smaller
at around 3%.

Change-Id: Iee9ac7b2f707035f45cdc581fc45a265c7ecf16d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/588578
Commit-Queue: Herb Derby <9e12a3d2bbf73546e47cc9958f6ba8f3215b7eaf@google.com>
Reviewed-by: Michael Ludwig <cb1f3dd24de0f0b611b26bc28bec758a551d9b7d@google.com>
Reviewed-by: John Stiles <f4fcf42d3bb5924557f1eeb3be66747535e585da@google.com>

google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia