Fixes #3403 Add padding between privacy policy button and bottom of the screen

Author: yashk2000

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

@@ -245,7 +245,7 @@
         android:layout_alignParentBottom="true"
         android:layout_centerHorizontal="true"
         android:layout_marginBottom="@dimen/normal_text"
-        android:paddingBottom="30dp"
+        android:paddingBottom="@dimen/login_padding"
         android:textColor="@color/status_bar_blue"
         android:text="@string/about_privacy_policy" />
 

app/src/main/res/values/dimens.xml

@@ -9,6 +9,7 @@
     <dimen name="medium_width">12dp</dimen>
 
     <!-- Standard margins / padding -->
+    <dimen name="login_padding">30dp</dimen>
     <dimen name="tiny_height">1dp</dimen>
     <dimen name="miniscule_margin">2dp</dimen>
     <dimen name="tiny_margin">4dp</dimen>