Add non-null condition to notification summary

This change moves the code for attaching the "Tap to open BetterBug"
summary so that it only appears in a notification if the launch intent
for BetterBug is non-null.

Bug: 197900350
Test: manual
Change-Id: I8a2a7d89302f684571a76ad93af99b9d6f10f840
Merged-In: I8a2a7d89302f684571a76ad93af99b9d6f10f840
1 file changed