Added description of recent PR to changelog.
Added description of recent PR to changelog.

firebase/ocmock,imhuntingwabbits/ocmock,erikdoe/ocmock,Lightricks/ocmock,SteveFortune/ocmock,BohdanOrlov/ocmock,dhardiman/ocmock,erikdoe/ocmock,Lightricks/ocmock,erikdoe/ocmock,Lightricks/ocmock,Lightricks/ocmock,erikdoe/ocmock