use different top margin for vert and land for duration display

src/main/res/layout/activity_rtp_session.xml

@@ -73,7 +73,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_centerHorizontal="true"
-                android:layout_margin="24dp"
+                android:layout_marginTop="@dimen/rtp_session_duration_top_margin"
                 android:textAppearance="@style/TextAppearance.Conversations.Title.Monospace"
                 tools:text="01:23" />
 
@@ -112,8 +112,8 @@
             android:layout_height="wrap_content"
             android:layout_below="@+id/app_bar_layout"
             android:layout_alignParentStart="true"
-            android:layout_marginTop="24dp"
             android:layout_marginStart="16dp"
+            android:layout_marginTop="@dimen/rtp_session_duration_top_margin"
             android:alpha="0.7"
             android:src="@drawable/ic_verified_fingerprint" />
 

src/main/res/values-land/dimens.xml

@@ -1,4 +1,5 @@
 <resources>
     <dimen name="local_video_preview_height">96dp</dimen>
     <dimen name="local_video_preview_width">128dp</dimen>
+    <dimen name="rtp_session_duration_top_margin">16dp</dimen>
 </resources>

src/main/res/values/dimens.xml

@@ -43,4 +43,5 @@
 
     <dimen name="local_video_preview_height">128dp</dimen>
     <dimen name="local_video_preview_width">96dp</dimen>
+    <dimen name="rtp_session_duration_top_margin">24dp</dimen>
 </resources>