Fix layouts errors and warnings

VectorDrawables could make the app crash or could be badly rendered
under particular circumstances

Change-Id: Id944358ad984e719750ea72e2a01b7b569876d49
Reviewed-by: Philippe Gorley <philippe.gorley@savoirfairelinux.com>
diff --git a/ring-android/app/src/main/res/layout/item_number.xml b/ring-android/app/src/main/res/layout/item_number.xml
index b2cf8d5..8c86c37 100644
--- a/ring-android/app/src/main/res/layout/item_number.xml
+++ b/ring-android/app/src/main/res/layout/item_number.xml
@@ -19,6 +19,8 @@
 -->
 
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/call_entry"
     android:layout_width="match_parent"
     android:layout_height="56dp"
@@ -29,40 +31,37 @@
         android:id="@+id/number_icon"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentLeft="true"
         android:layout_alignParentStart="true"
         android:layout_alignParentTop="false"
         android:layout_centerVertical="true"
         android:layout_marginEnd="8dp"
-        android:layout_marginRight="8dp"
-        android:src="@drawable/ic_dialer_sip_black" />
+        app:srcCompat="@drawable/ic_dialer_sip_black" />
 
     <TextView
         android:id="@+id/number_txt"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_alignParentTop="true"
+        android:layout_marginEnd="8dp"
         android:layout_marginTop="2dp"
-        android:layout_toRightOf="@+id/number_icon"
+        android:layout_toEndOf="@+id/number_icon"
         android:ellipsize="marquee"
         android:marqueeRepeatLimit="marquee_forever"
         android:scrollHorizontally="true"
         android:singleLine="true"
-        android:text="+15142792035"
         android:textColor="@color/text_color_primary"
         android:textSize="16sp"
-        android:layout_marginRight="8dp" />
+        tools:text="+15142792035" />
 
     <TextView
         android:id="@+id/number_label_txt"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_below="@+id/number_txt"
+        android:layout_marginEnd="8dp"
         android:layout_toEndOf="@+id/number_icon"
-        android:layout_toRightOf="@+id/number_icon"
-        android:text="Inde"
         android:textColor="@color/text_color_secondary"
         android:textSize="12sp"
-        android:layout_marginRight="8dp" />
+        tools:text="Inde" />
 
 </RelativeLayout>
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