issue #4819: remove AccelerometerTest
issue #4819: remove KeyPadTest
closed #4819: remove KeyboardTest
prevent flickering when opening another activity
[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #6932 from Dhilan007/v3-labelfix

Create a test case for issue 4999(label is unsharp if it's created by smaller font).
Merge pull request #6924 from minggo/remove-test-case

Remove test case
Merge pull request #6930 from CocosRobot/update_cocosfiles_1401343139

[AUTO][ci skip]: updating cocos2dx_files.json
[ci skip]
Merge pull request #6922 from zawasp/android_flicker

prevent flickering when opening another activity