proprietary-files: Organize and commonize with msm8960dt

Change-Id: I801a0def75eac503bc62cbbb9086979c249eb7dd
proprietary-files: Use gps prebuilts from N1

Change-Id: I4a3863b1ea7e77c774806e07fde722abdaf4369a
gps: Use blobs from N1

Change-Id: If3fffe81066304491a5abdd440d5c40f72562b2e