Fixes cloned notification actions missing icon.

This change modifies the Notification.Action constructor
to populate the deprecated "icon" field based on the provided icon.
This field is still used by NotificationCompatApi20
to create a NotificationCompatBase.Action from a Notification.Action.

Bug: 23348968
Bug: 22591778
Change-Id: I3576038384d2baa12c4c75bc4124e3859aacbd13
1 file changed