Merge "Update system APIs based on feedback." into udc-dev

core/api/current.txt

core/api/system-current.txt

core/api/test-current.txt

core/java/android/app/BroadcastOptions.java

core/java/android/app/ComponentOptions.java

core/res/AndroidManifest.xml

data/etc/com.android.systemui.xml

packages/SystemUI/AndroidManifest.xml

...com/android/systemui/statusbar/phone/CentralSurfaces.java

...re/java/com/android/server/am/ActivityManagerService.java