Determining the number of keyguard notifications dynamically

Instead of having a fixed number, we are now calculating the number
dynamically based on the available notifications.
This is necessary since notifications might have different sizes now.

Change-Id: I0cbe9b1c5fd731a89c242202846f42bec3fc57eb
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java
index bbe5dd9..39a2986 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java
@@ -130,7 +130,7 @@
     }
 
     @Override
-    protected int getMaxKeyguardNotifications() {
+    protected int getMaxKeyguardNotifications(boolean recompute) {
         return 0;
     }