Don't make this script fail a buildbot run.

Change-Id: I000d69c1a33eca6ca98f7fd1096bc9af7d22b4e8
diff --git a/tools/symbolize-buildbot-crashes.sh b/tools/symbolize-buildbot-crashes.sh
index 8df8269..8dc4e27 100755
--- a/tools/symbolize-buildbot-crashes.sh
+++ b/tools/symbolize-buildbot-crashes.sh
@@ -18,3 +18,6 @@
 # script expect things to be in '/'. So we just remove the
 # '/data/local/tmp' prefix.
 adb logcat -d | sed 's,/data/local/tmp,,g' | development/scripts/stack
+
+# Always return 0 to avoid having the buildbot complain about wrong stacks.
+exit 0