Recognize Android NDK 8d

Change-Id: Ia481bd56e7b5d510cf034c39d1ab87c4448791c7
ALLJOYN-1716 DetachSession must be sent on the specific sessionID

Change-Id: Ie9815745873b016c3930a9380c730581211de6cd
ALLJOYN-1715 Increment threadCount for each RemoteEndpoint

Change-Id: I7293794802108454b10794195c8f3673c835eca5
ALLJOYN-1702: Removed joiner-side SessionJoined signal since it is redundant with JoinSession method return.

Change-Id: Ied375ef90b1e0143d66ecc7b54e8aa2936830dcd
ALLJOYN-1716 Revert commit: ALLJOYN-1716 DetachSession must be sent on the specific sessionID

Change-Id: Ic26d5709711707bde706f3a21e611b9e4fbe9568