Revert "[BLOBS] sm6250-common: remove megface libraries"

* shim breaks camera now ;c

This reverts commit a6509e0a.

proprietary-files.txt

@@ -399,6 +399,11 @@ vendor/lib64/libxml2_vendor.so
 vendor/lib64/mibokeh_712_opencl.bin
 vendor/lib64/mibokeh_712_parameter.bin
 
+# Camera (Megvii)
+vendor/etc/camera/megviifacepp_0_5_2_model
+vendor/lib64/libmegface.so
+vendor/lib64/libMegviiFacepp-0.5.2.so
+
 # Camera provider
 vendor/lib/android.hardware.camera.provider@2.4-legacy.so
 vendor/lib64/android.hardware.camera.provider@2.4-legacy.so