Added option (-z) to generate a zipfile with the bugreport.

BUG: 22489826
Change-Id: Ic5dabda666991a7c2cd1954a8e989c8b51a64f37
diff --git a/prebuilt/common/etc/init.local.rc b/prebuilt/common/etc/init.local.rc
index dd6f09d..76261b0 100644
--- a/prebuilt/common/etc/init.local.rc
+++ b/prebuilt/common/etc/init.local.rc
@@ -153,7 +153,7 @@
     disabled
 
 # bugreport is triggered by holding down volume down, volume up and power
-service bugreport /system/bin/dumpstate -d -p -B \
+service bugreport /system/bin/dumpstate -d -p -B -z \
         -o /data/data/com.android.shell/files/bugreports/bugreport
     oneshot
     disabled