fix scale9Sprite anchorPoint bug when switch anchor point and scale9Enabled property
Merge pull request #7616 from gin0606/fix_videoPlayer_ios_memory_leak

Fix iOS VideoPlayer memory leak.
[ci skip]
[ci skip]
Merge pull request #7658 from andyque/fixButtonOpacityIssue

fix scale9Sprite anchorPoint bug when switch anchor point and scale9Enabled