Bug 453635 - [compiler][null] Update NullReferenceImplTests and friends
- generator changes to 
  - minimize differences by different sorting strategies
  - include one more state (0x1C)
  - corrected comparison to avoid bogus "CHECK" marks
Bug 453635 - [compiler][null] Update NullReferenceImplTests and friends
- reorder transformations lines & columns (for symmetric mergedWith)
Bug 453635 - [compiler][null] Update NullReferenceImplTests and friends
- refresh transformations using generator (descriptions & tables)
- commented some suspicious addtions