app: aboot: Use the updated function to switch slot

Reset the attributes only when the slot is switched through
fastboot command and retain the SUCCESS bit when slot switch
happens due to unbootable current slot. So use the updated
function for partition_switch_slots.

Change-Id: Id27be5cc897fdb28bc2bacbcf1d5af3a1be63dee
diff --git a/app/aboot/aboot.c b/app/aboot/aboot.c
index 584ba35..efdc3cc 100644
--- a/app/aboot/aboot.c
+++ b/app/aboot/aboot.c
@@ -4401,7 +4401,7 @@
 					if (current_slot_suffix &&
 						!strncmp(p, current_slot_suffix, strlen(current_slot_suffix)))
 					{
-						partition_switch_slots(current_active_slot, i);
+						partition_switch_slots(current_active_slot, i, true);
 						publish_getvar_multislot_vars();
 						fastboot_okay("");
 						return;