Fix for ConfigurationTest Density Comparison

Bug 5200365

Add a delta factor of 0.001F..

Change-Id: I859b76cdd9bb3c611eb92744690dcf483e5871f6
diff --git a/tests/tests/dpi/src/android/dpi/cts/ConfigurationTest.java b/tests/tests/dpi/src/android/dpi/cts/ConfigurationTest.java
index f5f83c6..7c0809b 100644
--- a/tests/tests/dpi/src/android/dpi/cts/ConfigurationTest.java
+++ b/tests/tests/dpi/src/android/dpi/cts/ConfigurationTest.java
@@ -38,7 +38,7 @@
 
     public void testScreenConfiguration() {
         WindowManager windowManager =
-            (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
+                (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
         Display display = windowManager.getDefaultDisplay();
         DisplayMetrics metrics = new DisplayMetrics();
         display.getMetrics(metrics);
@@ -68,6 +68,7 @@
         assertTrue("DisplayMetrics#densityDpi must be one of the DisplayMetrics.DENSITY_* values: "
                 + allowedDensities, allowedDensities.contains(metrics.densityDpi));
 
-        assertEquals(metrics.density, (float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT);
+        assertEquals(metrics.density, (float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT,
+                0.001F);
     }
 }