Changes for accessibility and content provider

- Remove the Settings Provider hook and switch to the ContentProvider$Transport hook
- Fix the accessibility manager hook

common/src/main/java/icu/nullptr/hidemyapplist/common/settings_presets/AccessibilityPreset.kt

@@ -14,7 +14,7 @@ class AccessibilityPreset : BasePreset(NAME) {
         ),
         ReplacementItem(
             name = Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES,
-            value = null,
+            value = "",
         ),
     )
 }

common/src/main/java/icu/nullptr/hidemyapplist/common/settings_presets/DeveloperOptionsPreset.kt

@@ -15,6 +15,6 @@ class DeveloperOptionsPreset : BasePreset("dev_options") {
         ReplacementItem(
             name = Settings.Global.DEVELOPMENT_SETTINGS_ENABLED,
             value = "0",
-        )
+        ),
     )
 }