InputCommon: Clean up how numeric settings are handled. Add units of measure to UI. Eliminate hidden magic values of the IR cursor.

Source/Android/app/src/main/res/values/strings.xml

@@ -330,8 +330,8 @@
     <string name="select_dir">Select This Directory</string>
 
     <!-- Misc -->
-    <string name="height">Height</string>
-    <string name="width">Width</string>
-    <string name="center">Center</string>
+    <string name="pitch">Total Pitch</string>
+    <string name="yaw">Total Yaw</string>
+    <string name="vertical_offset">Vertical Offset</string>
 
 </resources>