Changes made to upgrade BAL from 3.4.9.8 to 3.4.9.9 for rlt-1600g/x-w and rlt-3200g-w

Change-Id: I2baa09074a43703b7ca22625592d28b03863a06c
diff --git a/agent/Makefile.in b/agent/Makefile.in
index 2e3ea01..b467589 100644
--- a/agent/Makefile.in
+++ b/agent/Makefile.in
@@ -30,8 +30,8 @@
 BAL_MINOR_VER = 4
 BAL_REV_A_VER = 9
 ifeq ("$(strip $(OPENOLTDEVICE))",$(findstring "$(strip $(OPENOLTDEVICE))", "rlt-3200g-w" "rlt-1600g-w" "rlt-1600x-w"))
-BAL_REV_B_VER = 8
-DEV_VER = 20210420
+BAL_REV_B_VER = 9
+DEV_VER = 20210727
 # Version of Open Network Linux (ONL).
 ONL_KERN_VER_MAJOR = 4.19
 else