Update Redbull SVN to 28

Bug: 188458861
Change-Id: I09557247b2f5dbde0e2bbb4356dfc8d4428dea19
(cherry picked from commit c3f9619cdf9230fe12abfdb0405a6e342e897fe6)
diff --git a/device-common.mk b/device-common.mk
index 400af3e..daa8e3a 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -841,7 +841,7 @@
 # Increment the SVN for any official public releases
 ifeq ($(PRODUCT_DEVICE_SVN_OVERRIDE),)
 PRODUCT_PROPERTY_OVERRIDES += \
-	ro.vendor.build.svn=27
+	ro.vendor.build.svn=28
 endif
 
 # Enable iwlan service logging for debug