bug fix, locales not showing up in the spinner in ShareActivity [issue commons-app#1793]

Author: ashishkumar468

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

@@ -10,13 +10,14 @@
     android:id="@+id/spinner_description_languages"
     android:layout_width="0dp"
     android:layout_height="wrap_content"
-    android:layout_weight="3"
+    android:layout_gravity="center_vertical"
+    android:layout_weight="4"
     android:spinnerMode="dialog"></android.support.v7.widget.AppCompatSpinner>
 
   <android.support.design.widget.TextInputLayout
     android:layout_width="0dp"
     android:layout_height="wrap_content"
-    android:layout_weight="7">
+    android:layout_weight="6">
 
     <EditText
       android:id="@+id/et_description_text"

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

@@ -8,6 +8,7 @@
   android:id="@+id/ll_container_description_language"
   android:orientation="vertical">
   <TextView
+    android:textAlignment="center"
     android:id="@+id/tv_language"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"