Added sending cancel signal to library to cancel the alert on the tv

Related to
https://github.com/ConnectSDK/Connect-SDK-Android/commit/82c44e67e622e0c
094102404629dd6ba1e2ed336
Fixed the way of canceling picker
Merge branch 'sdk-1.3_dev' into sdk-1.3
Added lint ignore line

Clears warning in manifest about targeting old API level
Merge branch 'sdk-1.3'