Fix sha1
build: add 64bits and android-L support

Don't hardcode android api to android-9 anymore, use ANDROID_API export.

In case of 64bits build: set ANDROID_API to android-L and GCCVER to 4.9.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
build: no iomx for 64bits

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
build: no compat libs for android-L

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
build: add x86_64 support

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>