Convert dblog entries into entities

Closes #2401463

core/modules/system/tests/src/Kernel/Extension/ModuleHandlerTest.php

@@ -160,7 +160,7 @@ public function testDependencyResolution() {
    */
   public function testUninstallProfileDependency() {
     $profile = 'testing_install_profile_dependencies';
-    $dependency = 'syslog';
+    $dependency = 'dblog';
     $non_dependency = 'ban';
     $this->setInstallProfile($profile);
     // Prime the \Drupal\Core\Extension\ExtensionList::getPathname() static
@@ -204,7 +204,7 @@ public function testUninstallProfileDependency() {
    */
   public function testProfileAllDependencies() {
     $profile = 'testing_install_profile_all_dependencies';
-    $dependencies = ['syslog', 'ban'];
+    $dependencies = ['dblog', 'ban'];
     $this->setInstallProfile($profile);
     // Prime the \Drupal\Core\Extension\ExtensionList::getPathname() static
     // cache with the location of the testing_install_profile_dependencies