Removed the scalable bitmaps for the arrow line cap; added a nodpi image instead.

Change-Id: I6cc61a4df2d651093d3a69429502c461309d37c7

tutorials/Polygons/app/build.gradle

@@ -22,7 +22,7 @@ android {
 
 
 repositories {
-    maven { url "/Users/sarahmaddox/Development/devrelgit-projects/tut-polygons/maps/tutorials/Polygons/app/libs/"}
+    maven { url "/Users/sarahmaddox/Development/devrelgit-projects/tut-polygon/maps/tutorials/Polygons/app/libs/"}
 }
 
 dependencies {

tutorials/Polygons/app/src/main/java/com/example/polygons/PolygonActivity.java

@@ -134,7 +134,7 @@ public class PolygonActivity extends AppCompatActivity implements
                 // Use a custom bitmap as the cap at one end of the line.
                 polyline.setEndCap(
                         new CustomCap(BitmapDescriptorFactory.fromResource(R.drawable.ic_arrow_black_48dp),
-                                16));
+                                10));
                 break;
             case "B":
                 // Use a round cap at the end of the line.