Fixes #1691 - Site permissions' pages are not entirely visible

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

@@ -2,11 +2,13 @@
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - 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/. -->
-
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent" >
 <LinearLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
+        android:layout_height="wrap_content"
         android:orientation="vertical"
         android:layout_marginTop="@dimen/radio_button_preference_vertical">
 
@@ -49,3 +51,4 @@
     <include layout="@layout/component_permissions_blocked_by_android"/>
 
 </LinearLayout>
+</ScrollView>

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

@@ -2,11 +2,13 @@
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - 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/. -->
-
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent" >
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    android:layout_height="wrap_content"
     android:orientation="vertical"
     android:layout_marginTop="@dimen/radio_button_preference_vertical">
 
@@ -48,4 +50,4 @@
     <include layout="@layout/component_permissions_blocked_by_android"/>
 
 </LinearLayout>
-
+</ScrollView>