find7a: Remove duplicate blobs

These should only be in vendor/lib

Also we had some extra blobs not present in the latest ColorOS 1.2.0
release, remove these as well
find7a: Update blobs from 0514 ColorOS 1.2.0 release
Update Android.mk

Update to reflect new, unified target - find7 not find7a
find7: Change device filter for libtime_genoff to allow find7 and find7op
Find7: Update blobs from ColorOS 1.2.1i stable release
Find7: Update blobs from ColorOS 1.2.3i stable release
Update Adreno drivers