Revert "libnbaio: Don't call get_presentation_position for pre KitKat blobs"

This reverts commit 08167e2ab10eda7a7c4cbcb913a729a516952ae3.
Revert "libnbaio: Fix previous get_presentation_position commit"

This reverts commit e5a00aedb96f725532c38f49134a74873c346e42.