Not using magic constants for navbar height

Change-Id: I6783b8a2ebb059ce35748d8c3e818cbe732ff40d
diff --git a/Android.bp b/Android.bp
index 5acec37..b80282e 100644
--- a/Android.bp
+++ b/Android.bp
@@ -24,6 +24,7 @@
     srcs: [
         "tests/tapl/**/*.java",
         "src/com/android/launcher3/util/SecureSettingsObserver.java",
+        "src/com/android/launcher3/ResourceUtils.java",
         "src/com/android/launcher3/TestProtocol.java",
     ],
     manifest: "tests/tapl/AndroidManifest.xml",