[Coverage] Move exception class in the relevant class
[Coverage] Move exception class in the relevant class

BZ: 115218

Some exceptions were raised only by a particular class. As a result they
were polluting the global namespace.

Nested the exception class.

Change-Id: Icde35d8d2f551a638b97d94bc0a770f70787c723
Signed-off-by: Kevin Rocard <bd9a896220d78c7807307c046053ff427b594938@intel.com>
Reviewed-on: http://android.intel.com:8080/112710
Reviewed-by: Denneulin, Guillaume <854ca584c0091d5374a3e56520494273fa21b7a4@intel.com>
Reviewed-by: Gonzalve, Sebastien <eb080873e0961eb0e27ae23642f9b887ff089d6f@intel.com>
Reviewed-by: cactus <c3ee75fbaae48de2b78e493a0872d74c3ea268c4@intel.com>
Tested-by: Dixon, CharlesX <decadd3ae66edc7b9ef0249fba0947d796242d6f@intel.com>
Reviewed-by: buildbot <4f01036b9437d59848e062e621b13556bac09299@intel.com>
Tested-by: buildbot <4f01036b9437d59848e062e621b13556bac09299@intel.com>

sdnnfv/parameter-framework,dbrageul/parameter-framework,clero/parameter-framework,01org/parameter-framework,AdrienMQ/parameter-framework,pafonso/parameter-framework,Makohoek/parameter-framework,android-ia/hardware_intel_parameter-framework,01org/parameter-framework,wzairix/parameter-framework,geekboxzone/mmallow_external_parameter-framework,AdrienMQ/parameter-framework,anwarMov/parameter-framework,wzairix/parameter-framework,mgaio/parameter-framework,wzairix/parameter-framework,anwarMov/parameter-framework,tcahuzax/parameter-framework,soaresm/parameter-framework,krocard/parameter-framework,01org/parameter-framework,krocard/parameter-framework,krocard/parameter-framework,miguelgaio/parameter-framework,anwarMov/parameter-framework,pafonso/parameter-framework,Makohoek/parameter-framework,dawagner/parameter-framework,miguelgaio/parameter-framework,sdnnfv/parameter-framework,soaresm/parameter-framework,mgaio/parameter-framework,zchokri/parameter-framework,dawagner/parameter-framework,miguelgaio/parameter-framework,zchokri/parameter-framework,android-ia/hardware_intel_parameter-framework,zchokri/parameter-framework,pafonso/parameter-framework,tcahuzax/parameter-framework,tcahuzax/parameter-framework,dbrageul/parameter-framework,geekboxzone/mmallow_external_parameter-framework,clero/parameter-framework,dawagner/parameter-framework,sdnnfv/parameter-framework,android-ia/hardware_intel_parameter-framework,AdrienMQ/parameter-framework,clero/parameter-framework,soaresm/parameter-framework,Makohoek/parameter-framework,geekboxzone/mmallow_external_parameter-framework,mgaio/parameter-framework,dbrageul/parameter-framework