Cleaning things-manager service build scripts.

Cleaning things-manager service build scripts.

Removed all unnecessary header file inclusion and libraries linking in
things-manager service build scripts. Changed Android.mk file to copy all the required libraries to "libs/armeabi" folder for building TM java layer.

Specified the connectivity_abstraction library instead of coap in SSM's
Android.mk file

Change-Id: Ie31387f77f3452b7d8420489a569a315be7301a2
Signed-off-by: Harish Kumara Marappa <h.marappa@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/1108
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: RadhaBhavani <radha.p@samsung.com>
Reviewed-by: Uze Choi <uzchoi@samsung.com>