squash! Modify UI/UX

Bug 40141: Hide EME site permission

app/src/main/res/layout/quicksettings_permissions.xml

@@ -148,7 +148,7 @@
         app:layout_constraintBottom_toTopOf="@id/autoplayLabel"
         app:layout_constraintEnd_toStartOf="@id/mediaKeySystemAccessStatus"
         app:layout_constraintStart_toStartOf="parent"
-        tools:visibility="visible" />
+        tools:visibility="gone" />
 
     <TextView
         android:id="@+id/mediaKeySystemAccessStatus"
@@ -160,7 +160,7 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toEndOf="@id/mediaKeySystemAccessLabel"
         tools:text="@string/preference_option_phone_feature_blocked"
-        tools:visibility="visible" />
+        tools:visibility="gone" />
 
 
     <TextView

app/src/main/res/xml/site_permissions_details_exceptions_preferences.xml

@@ -3,7 +3,8 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <androidx.preference.PreferenceScreen
-        xmlns:android="http://schemas.android.com/apk/res/android">
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto" >
     <androidx.preference.Preference
             android:icon="@drawable/ic_camera_enabled"
             android:key="@string/pref_key_phone_feature_camera"
@@ -38,6 +39,7 @@
         android:icon="@drawable/ic_link"
         android:key="@string/pref_key_browser_feature_media_key_system_access"
         android:title="@string/preference_phone_feature_media_key_system_access"
+        app:isPreferenceVisible="false"
         android:summary="@string/preference_option_phone_feature_ask_to_allow"/>
 
     <androidx.preference.Preference

app/src/main/res/xml/site_permissions_preferences.xml

@@ -48,6 +48,7 @@
         android:key="@string/pref_key_browser_feature_media_key_system_access"
         android:title="@string/preference_phone_feature_media_key_system_access"
         android:summary="@string/preference_option_phone_feature_ask_to_allow"
+        app:isPreferenceVisible="false"
         app:allowDividerBelow="true"/>
 
     <androidx.preference.Preference