raven: Convert status_bar_height_portrait to dp

Fix status bar height not being scaled properly after switching
screen resolution to 1080p.

DP = PX * (160 / DPI)

Change-Id: I7eba09b6da2eae6bd4274d3ad6acc85311d32db1
diff --git a/raven/overlay/frameworks/base/core/res/res/values/config.xml b/raven/overlay/frameworks/base/core/res/res/values/config.xml
index ea1bd1d..5e605da 100644
--- a/raven/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/raven/overlay/frameworks/base/core/res/res/values/config.xml
@@ -196,7 +196,7 @@
          Do not read this dimen directly. Use {@link SystemBarUtils#getStatusBarHeight} instead.
          -->
     <dimen name="status_bar_height_default">28dp</dimen>
-    <dimen name="status_bar_height_portrait">145px</dimen>
+    <dimen name="status_bar_height_portrait">41.42857143dp</dimen>
     <dimen name="status_bar_height_landscape">28dp</dimen>
 
     <!-- If face auth sends the user directly to home/last open app, or stays on keyguard by default-->