upgrade adapter versionCode to 6050000
upgrade adapter versionCode to 6050000

     pick b66c3fa fix vungle sdk 6.5 dependency error
     pick 5073deb sync 6.4.x_release source code
     pick 42e5d1a remove useless code line
     pick b3ca8e2 upgrade adapter version to 6.5.0.0
     pick 31c0a22 sync sdk6.4.x recommendations
     pick 5ef31d9 fix code review comments
     pick ecbd77f upgrade adapter versionCode to 6050000

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