Starting with Android API 23+ gradle enables uncompressed native libs by default.
We must set android.bundle.enableUncompressedNativeLibs = false to gradle.properties,
to force it to compress them and extract them on the device.
Fixes: QTBUG-80766
Change-Id: Ia6d8d9179a341bbe7f8dc254a3b31d2ee8d7a5d7
Reviewed-by: Andy Shaw <andy.shaw@qt.io>