Class android.media.tv.`TvInputManager`

Removed Methods
`boolean` getAvailability(`String`)

Added Methods
`int` `getInputState`(`String`)
`TvInputInfo` `getTvInputInfo`(`String`)
`boolean` `isParentalControlsEnabled`()
`boolean` `isRatingBlocked`(`TvContentRating`)
`void` `registerCallback`(`TvInputCallback,` `Handler`)
`void` `unregisterCallback`(`TvInputCallback`)

Added Fields
`String` `ACTION_BLOCKED_RATINGS_CHANGED`
`String` `ACTION_PARENTAL_CONTROLS_ENABLED_CHANGED`
`String` `ACTION_QUERY_CONTENT_RATING_SYSTEMS`
`int` `INPUT_STATE_CONNECTED`
`int` `INPUT_STATE_CONNECTED_STANDBY`
`int` `INPUT_STATE_DISCONNECTED`
`String` `META_DATA_CONTENT_RATING_SYSTEMS`
`int` `VIDEO_UNAVAILABLE_REASON_BUFFERING`
`int` `VIDEO_UNAVAILABLE_REASON_TUNING`
`int` `VIDEO_UNAVAILABLE_REASON_UNKNOWN`
`int` `VIDEO_UNAVAILABLE_REASON_WEAK_SIGNAL`

Class android.media.tv.TvInputManager