Workaround for a keyguard problem that appeared in the in call screen.

While in call, pressing the power key to turn off the screen caused the Home button
to no longer work after rewaking the screen due to the KeyguardViewMediator mHidden flag not being set.

Change-Id: I322317671b2e5e32de23ed524f6e4808b0334c12
BUG: 2382766

Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/phone/com/android/internal/policy/impl/PhoneWindowManager.java b/phone/com/android/internal/policy/impl/PhoneWindowManager.java
index 27278e0..7be15e2 100755
--- a/phone/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/phone/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -1450,18 +1450,18 @@
                 }
             } else if (mHideLockScreen) {
                 if (mKeyguard.hideLw(false)) {
-                    mKeyguardMediator.setHidden(true);
                     changes |= FINISH_LAYOUT_REDO_LAYOUT
                             | FINISH_LAYOUT_REDO_CONFIG
                             | FINISH_LAYOUT_REDO_WALLPAPER;
                 }
+                mKeyguardMediator.setHidden(true);
             } else {
                 if (mKeyguard.showLw(false)) {
-                    mKeyguardMediator.setHidden(false);
                     changes |= FINISH_LAYOUT_REDO_LAYOUT
                             | FINISH_LAYOUT_REDO_CONFIG
                             | FINISH_LAYOUT_REDO_WALLPAPER;
                 }
+                mKeyguardMediator.setHidden(false);
             }
         }