layers: Re-architect parameter validation layer

Changed the codegen to autogenerate validation functions for any new
APIs without user intervention. Manual updates are only necessary to
extend PV functionality.

- parameter_validation.h is now checked into the layers directory
- parameter_validation.cpp is now generated
- parameter_validation_utils.cpp is new and contains any custom
      (non-generated) or housekeeping functions.
- parameter_validation_utils.h is deprecated
- updated database for new VUID coverage

Change-Id: Ib9261894386145573ba9e8906ba4ad4e9fecbdfd
diff --git a/scripts/lvl_genvk.py b/scripts/lvl_genvk.py
index 49bf2cb..194106e 100644
--- a/scripts/lvl_genvk.py
+++ b/scripts/lvl_genvk.py
@@ -20,7 +20,7 @@
 from cgenerator import CGeneratorOptions, COutputGenerator
 # LoaderAndValidationLayer Generator Modifications
 from threading_generator import  ThreadGeneratorOptions, ThreadOutputGenerator
-from parameter_validation_generator import ParamCheckerGeneratorOptions, ParamCheckerOutputGenerator
+from parameter_validation_generator import ParameterValidationGeneratorOptions, ParameterValidationOutputGenerator
 from unique_objects_generator import UniqueObjectsGeneratorOptions, UniqueObjectsOutputGenerator
 from object_tracker_generator import ObjectTrackerGeneratorOptions, ObjectTrackerOutputGenerator
 from dispatch_table_helper_generator import DispatchTableHelperOutputGenerator, DispatchTableHelperOutputGeneratorOptions
@@ -122,11 +122,12 @@
             alignFuncParam    = 48)
         ]
 
+
     # Options for parameter validation layer
-    genOpts['parameter_validation.h'] = [
-          ParamCheckerOutputGenerator,
-          ParamCheckerGeneratorOptions(
-            filename          = 'parameter_validation.h',
+    genOpts['parameter_validation.cpp'] = [
+          ParameterValidationOutputGenerator,
+          ParameterValidationGeneratorOptions(
+            filename          = 'parameter_validation.cpp',
             directory         = directory,
             apiname           = 'vulkan',
             profile           = None,