Use DatabaseConnectors for legacy DBs

Trying to make the pipeline green again

bob/bio/spear/config/database/asvspoof.py

 #!/usr/bin/env python
 
+from bob.bio.base.pipelines.vanilla_biometrics import DatabaseConnector
 from bob.bio.spear.database import ASVspoofBioDatabase
 
 # directory where the wave files are stored
@@ -7,16 +8,20 @@ asvspoof_wav_directory = "[YOUR_ASVSPOOF_WAV_DIRECTORY]"
 asvspoof_input_ext = ".wav"
 
 
-database_licit = ASVspoofBioDatabase(
-    protocol="licit",
-    original_directory=asvspoof_wav_directory,
-    original_extension=asvspoof_input_ext,
-    training_depends_on_protocol=True,
+database_licit = DatabaseConnector(
+    ASVspoofBioDatabase(
+        protocol="licit",
+        original_directory=asvspoof_wav_directory,
+        original_extension=asvspoof_input_ext,
+        training_depends_on_protocol=True,
+    )
 )
 
-database_spoof = ASVspoofBioDatabase(
-    protocol="spoof",
-    original_directory=asvspoof_wav_directory,
-    original_extension=asvspoof_input_ext,
-    training_depends_on_protocol=True,
+database_spoof = DatabaseConnector(
+    ASVspoofBioDatabase(
+        protocol="spoof",
+        original_directory=asvspoof_wav_directory,
+        original_extension=asvspoof_input_ext,
+        training_depends_on_protocol=True,
+    )
 )