Indicate in the title that the page pertains to Android,
and add RANLIB to the environment variables that should
be set.

Task-number: QTBUG-59525
Change-Id: Ibb6a4694d83db159d2ff5da51f92e195274c7163
Reviewed-by: Venugopal Shivashankar <Venugopal.Shivashankar@qt.io>