Squashed commit of the following: Take final fix of Joinining hiding.
commit 29309c550e20832c56703d87a8005a0b4018676c
    Merge remote-tracking branch 'upstream/release-4.9.x' into release-4.9.x
    Added code to hide joining count from cluster health.
commit 6fb781844ad50ed6bcd4ebb253f329442188019d
    Removed Joining cluster
commit aedca65d88f366240b9b81de64f919819adb69c1