Merge "Adding comment explaining "else" branch in onStateChange" into tm-qpr-dev

                    }

                }

            } else {

                // this else branch means we are doing one of:

                //  - from KEYGUARD and SHADE (but not expanded shade)

                //  - from SHADE to KEYGUARD

                //  - from SHADE_LOCKED to SHADE

                //  - getting notified again about the current SHADE or KEYGUARD state

                final boolean animatingUnlockedShadeToKeyguard = oldState == SHADE

                        && statusBarState == KEYGUARD

                        && mScreenOffAnimationController.isKeyguardShowDelayed();