There is a specialized script to install FFmpeg for Android. Use it
instead of common install-ffmpeg.sh (which does not work for "android"
parameter).
Task-number: QTBUG-110805
Task-number: QTBUG-114954
Task-number: QTBUG-113980
Pick-to: 6.6 6.5
Change-Id: I2409e0f8ffe0f8b28eadce4738c2551fe00a7fbf
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>