VOL-2224 Event Filter Mechanism

         This commit contains the inital changes required for the event
         filtering so that when the protos get merged the rw and ro core
         could be built without compilation errors

         Note: This patchset and the patchset for voltha-protos needs to be merged
               as close to as possible otherwise there will be compilation errors

Change-Id: Id092fa19a0b302a33176a82e41b92a36ea8ede29
diff --git a/go.sum b/go.sum
index cc98671..ae79e02 100644
--- a/go.sum
+++ b/go.sum
@@ -192,10 +192,10 @@
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I=
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/opencord/voltha-lib-go/v2 v2.2.17 h1:if2mGx376oUO8+wFI7BZ7KMLElewoeSBj0zWi7Xl/Fk=
-github.com/opencord/voltha-lib-go/v2 v2.2.17/go.mod h1:1NOSy3uX2DcAIJyZZXkbjCwokwliEQJPu0zF3Jo5OEA=
-github.com/opencord/voltha-protos/v2 v2.0.1 h1:vcE0XxNVeu0SED0bW2lf2w24k/QMFrFqMexuedIyTEg=
-github.com/opencord/voltha-protos/v2 v2.0.1/go.mod h1:6kOcfYi1CadWowFxI2SH5wLfHrsRECZLZlD2MFK6WDI=
+github.com/opencord/voltha-lib-go/v2 v2.2.18 h1:rie20b5QNhRjh9GL4THHdGiHSUqrx4VMEJw44hZI1Mk=
+github.com/opencord/voltha-lib-go/v2 v2.2.18/go.mod h1:vjd6PeC3vOYDE/ztMjraWFB2Wv1oaPcum1Xz4RJbSoE=
+github.com/opencord/voltha-protos/v2 v2.1.0 h1:Ppl4/3OBwgGuLk0ob9vIEwMGGRC2sqe7WWoxh0Uq/n0=
+github.com/opencord/voltha-protos/v2 v2.1.0/go.mod h1:6kOcfYi1CadWowFxI2SH5wLfHrsRECZLZlD2MFK6WDI=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
 github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=