Remove compiler warnings in spring-security-data

- Add
  compile-warnings-error plugin to data module
- Remove
  deprecated setDefaultRolePrefix() call in getRootObject()
- Add
  @SuppressWarnings deprecation for tests using deprecated methods
- Add
  tests using AuthorizationManagerFactory

Closes
  spring-projectsgh-18422

Signed-off-by: pocj8ur4in <pocj8ur4in@gmail.com>

data/spring-security-data.gradle

@@ -4,6 +4,7 @@ plugins {
 }
 
 apply plugin: 'io.spring.convention.spring-module'
+apply plugin: 'compile-warnings-error'
 
 dependencies {
 	management platform(project(":spring-security-dependencies"))