Android tools and NDK is not needed in 10.11.

Task-number: QTQAINFRA-1087
Change-Id: I8f3f4e71492ea09828823f6ef70ab29faa08934c
Reviewed-by: Simo Fält <simo.falt@qt.io>
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>
Reviewed-by: Akseli Salovaara <akseli.salovaara@qt.io>