UOFLMA-36: Fix - Impact drop down view is too big.

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

@@ -42,7 +42,7 @@
                 <Spinner
                     android:id="@+id/incident_impact_spinner"
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
+                    android:layout_height="@dimen/impact_spinner_drop_down_height"
                     android:layout_margin="@dimen/normal_margin"
                     android:background="@drawable/spinner_bg"
                     style="@style/OverflowMenu"/>

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

@@ -35,4 +35,7 @@
     <dimen name="my_request_right">10dp</dimen>
     <dimen name="my_request_new_top">18dp</dimen>
     <dimen name="my_request_text_bottom">2dp</dimen>
+
+    <!--Report Incident screen-->
+    <dimen name="impact_spinner_drop_down_height">50dp</dimen>
 </resources>
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