Added fix for SR#EMBPD00123754

Added fix for SR#EMBPD00123754
Changess as per review comments - SR#EMBPD00123754

Do not call the following method:
RHODESAPP().getExtManager().OnAppActivate(fActive!=0);

Instead of not calling ProcessActivate
Merge pull request #276 from rhomobile/RE_4.1_EMBPD00123754

Added fix for SR#EMBPD00123754