[SQUASHED] Lockscreen Notifications (1/2)

Following commits inside
AOSPAL/android_frameworks_base@3487cda
AOSPAL/android_frameworks_base@5873e99
AOSPAL/android_frameworks_base@7350e91
AOSPAL/android_frameworks_base@8d99eed
AOSPAL/android_frameworks_base@181110c
AOSPAL/android_frameworks_base@ce14cdd
AOSPAL/android_frameworks_base@3914e8d
AOSPAL/android_frameworks_base@32ec14f
AOSPAL/android_frameworks_base@6d2f41d
AOSPAL/android_frameworks_base@b758e16
AOSPAL/android_frameworks_base@6ba6fdb
AOSPAL/android_frameworks_base@b20bdc9
AOSPAL/android_frameworks_base@25f75c6
AOSPAL/android_frameworks_base@a74309e
AOSPAL/android_frameworks_base@5b6e143
AOSPAL/android_frameworks_base@e9dcb99
AOSPAL/android_frameworks_base@4caa49c
AOSPAL/android_frameworks_base@0f2377c
AOSPAL/android_frameworks_base@7e75b49
AOSPAL/android_frameworks_base@bc6c83f Thanks @Der-Schubi
AOSPAL/android_frameworks_base@8fd230d
AOSPAL/android_frameworks_base@e05eba6
AOSPAL/android_frameworks_base@082774a (Partialy ported - Removed codes of clear notifications navbar button)
AOSPAL/android_frameworks_base@a6f92e5
AOSPAL/android_frameworks_base@c3d76f5
AOSPAL/android_frameworks_base@5b1d884
AOSPAL/android_frameworks_base@0c0b133
AOSPAL/android_frameworks_base@73a6b7d

Change-Id: Ib87fe4d11941f7879f4706ad27ff3408311d2c03
Lockscreen notifications: Add "show all notifications" navbar button

Change-Id: I0cd5b13e5644de36d24d4d693838bd7080f55412

Conflicts:
	packages/Keyguard/src/com/android/keyguard/KeyguardViewMediator.java
Lockscreen Notifications: dismiss all button, improve animations, cleanup

Change-Id: I77665e37d823c619680312b73d5ebb1e6e437ffd

Conflicts:
	core/java/com/android/internal/statusbar/IStatusBarService.aidl
Lockscreen Notifications: some fixes

Conflicts:
	core/java/android/provider/Settings.java

Change-Id: I9388bcb899080cc023c146a083e554dcf8e57858
Lockscreen Notifications: fix show/hide of show all button

Change-Id: I3f17e91a619467426180813f8fe81d6f4514ab5b
Keyguard: LN: fix and harden against null pointer exceptions

Change-Id: Iff66791bb35b911e837b0a1747a72effdce507e3