new appbar background element shadows

Change-Id: I5ce83cc6e18a2e656610d7878e99b56262e92e05
diff --git a/lib/appbar/appbar_background_layer1.png b/lib/appbar/appbar_background_layer1.png
index fa7e79d..fdda489 100644
--- a/lib/appbar/appbar_background_layer1.png
+++ b/lib/appbar/appbar_background_layer1.png
Binary files differ
diff --git a/lib/appbar/appbar_background_layer2.png b/lib/appbar/appbar_background_layer2.png
index 72e001a..cae2f45 100644
--- a/lib/appbar/appbar_background_layer2.png
+++ b/lib/appbar/appbar_background_layer2.png
Binary files differ
diff --git a/lib/appbar/appbar_background_layer3.png b/lib/appbar/appbar_background_layer3.png
index 53953ec..08906a3 100644
--- a/lib/appbar/appbar_background_layer3.png
+++ b/lib/appbar/appbar_background_layer3.png
Binary files differ
diff --git a/lib/appbar/appbar_background_layer4.png b/lib/appbar/appbar_background_layer4.png
index 2fce9c1..3d8a83e 100644
--- a/lib/appbar/appbar_background_layer4.png
+++ b/lib/appbar/appbar_background_layer4.png
Binary files differ
diff --git a/lib/appbar/appbar_background_layer5.png b/lib/appbar/appbar_background_layer5.png
index fa62e1e..92cc89e 100644
--- a/lib/appbar/appbar_background_layer5.png
+++ b/lib/appbar/appbar_background_layer5.png
Binary files differ