Update API per council requests

launchTaskBehindBackgroundAnimation => launchTaskBehindTargetAnimation
visibilityMode => transitionVisiblityMode
makeLaunchTaskBehindAnimation => makeTaskLaunchBehind
launch_task_behind_background = launch_task_behind_target

Fixes bug 16958544.

Change-Id: I3b7c791fc0671b8071a5377cf6fa878bd5861f70
diff --git a/services/core/java/com/android/server/wm/AppTransition.java b/services/core/java/com/android/server/wm/AppTransition.java
index f6ec86d..4dc76de 100644
--- a/services/core/java/com/android/server/wm/AppTransition.java
+++ b/services/core/java/com/android/server/wm/AppTransition.java
@@ -46,7 +46,7 @@
 import static com.android.internal.R.styleable.WindowAnimation_activityCloseExitAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_taskOpenEnterAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_taskOpenExitAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_launchTaskBehindBackgroundAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_launchTaskBehindTargetAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_launchTaskBehindSourceAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_taskCloseEnterAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_taskCloseExitAnimation;
@@ -814,7 +814,7 @@
                 case TRANSIT_TASK_OPEN_BEHIND:
                     animAttr = enter
                             ? WindowAnimation_launchTaskBehindSourceAnimation
-                            : WindowAnimation_launchTaskBehindBackgroundAnimation;
+                            : WindowAnimation_launchTaskBehindTargetAnimation;
             }
             a = animAttr != 0 ? loadAnimationAttr(lp, animAttr) : null;
             if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) Slog.v(TAG,