m2v2: remove bad '"' character from JSON event

(cherry picked from commit 85f9dae5a3d159616a46ef748e9020412971c663)

Change-Id: Ia29f2d281c2856e75c888073245e08d3d2253d14
m2v2: generate event on alias copy and chunk substitution

Change-Id: Ic7a481e65e82cc1566e5cbb286cd8fff818f12f5
(cherry picked from commit 9375390be5bb8fbbcf693ad649ab26130d697510)