[androidkit] fix parameter names for drawRect

Change-Id: Ieb8c7869654531c01e9000cc0a0af9f87822a2fb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/415762
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@google.com>
Auto-Submit: Jorge Betancourt <jmbetancourt@google.com>
1 file changed