Revert "Fix the test case by using the same lock in SDAnimatedImageView to avoid thread-safe issue"
Revert "Fix the test case by using the same lock in SDAnimatedImageView to avoid thread-safe issue"

This reverts commit 031f21a18d83f26c67139eb3e7efcbe2430e0db3.

dreampiggy/SDWebImage,awkward/SDWebImage,tualatrix/SDWebImage,awkward/SDWebImage,dreampiggy/SDWebImage,rs/SDWebImage,dreampiggy/SDWebImage,awkward/SDWebImage