Revert "lt03wifi: import HDCP stagefright lib from Manta (LRX21P)"

This reverts commit 1710aaf29e456e9df976ce7870f4e0df087595e0.
Revert "lt03wifi: remove prebuilt Exynos OMX blobs"

This reverts commit 22584130be32918f8700a15261df01c101125748.