[common] Simplify instance methods registration (5)

[common] Simplify instance methods registration (5)

+ Macros REGISTER_(A)SYNC have been replaced with new macro
REGISTER_METHOD, which takes only the method name.
The string parameter is now created from the method name.

[Verification]
 + tct-sensor-tizen-tests 100% pass (mobile)
+ tct-sound-tizen-tests 100% pass (mobile)
+ tct-systeminfo-tizen-tests 100% pass (mobile)
+ tct-systemsetting-tizen-tests 100% pass (mobile)
+ tct-time-tizen-tests 100% pass (mobile)
+ !!! utils module has no tests !!!
+ tct-voicecontrol-tizen-tests 100% pass (mobile)
+ tct-widgetservice-tizen-tests 100% pass (tw3)

Signed-off-by: Michal Michalski <m.michalski2@partner.samsung.com>
Change-Id: I41180f982002e547080f9c311e82cf468fadbd05