Avoid scores and Unity logo overlap (#3324)

Project/Assets/ML-Agents/Examples/Tennis/Scenes/Tennis.unity

   m_Father: {fileID: 1184319693}
   m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 1, y: 1}
-  m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: -20, y: -50}
+  m_AnchorMin: {x: 1, y: 0}
+  m_AnchorMax: {x: 1, y: 0}
+  m_AnchoredPosition: {x: -20, y: 50}
   m_SizeDelta: {x: 100, y: 50}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!114 &1871669623
   m_Father: {fileID: 1184319693}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 1}
-  m_AnchorMax: {x: 0, y: 1}
-  m_AnchoredPosition: {x: 100, y: -50}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 100, y: 50}
   m_SizeDelta: {x: 100, y: 50}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!114 &2073469452