Fix boot on sw600dp devices.

Soon we'll switch this threshold to 720dp, once the
PhoneStatusBar is ready to support 600dp wide devices. For
now, however, restore the previous behavior.

Bug: 6300512
Change-Id: Ibedb8ffc1b677e3bbe9af230598adb7db278635b

Author: dsandler

policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

@@ -973,12 +973,13 @@ public void setInitialDisplaySize(Display display, int width, int height) {
                 com.android.internal.R.dimen.navigation_bar_width);
 
         // Determine whether the status bar can hide based on the size
-        // of the screen.  We assume sizes > 600dp are tablets where we
+        // of the screen.  We assume sizes >= 600dp are tablets where we
         // will use the system bar.
+        // XXX: This will change to 720dp soon.
         int shortSizeDp = shortSize
                 * DisplayMetrics.DENSITY_DEFAULT
                 / DisplayMetrics.DENSITY_DEVICE;
-        mHasSystemNavBar = shortSizeDp > 600;
+        mHasSystemNavBar = shortSizeDp >= 600;
 
         if (!mHasSystemNavBar) {
             mHasNavigationBar = mContext.getResources().getBoolean(