gpt-utils: change retry count to 1

Bug: 148952372
Bug: 151160838
Bug: 151269330
Test: bootctl set-active-boot-slot 0
Change-Id: Id5fd6c5002ff89952762d8cc5135d3dd56b9ed11
Signed-off-by: Jason Chiu <jasoncschiu@google.com>
diff --git a/gpt-utils/gpt-utils.h b/gpt-utils/gpt-utils.h
index cb4226c..f7e2d4c 100644
--- a/gpt-utils/gpt-utils.h
+++ b/gpt-utils/gpt-utils.h
@@ -72,7 +72,7 @@
 #define AB_PARTITION_ATTR_SLOT_ACTIVE (0x1<<2)
 #define AB_PARTITION_ATTR_BOOT_SUCCESSFUL (0x1<<6)
 #define AB_PARTITION_ATTR_UNBOOTABLE (0x1<<7)
-#define AB_SLOT_ACTIVE_VAL              0x1F
+#define AB_SLOT_ACTIVE_VAL              0xF
 #define AB_SLOT_INACTIVE_VAL            0x0
 #define AB_SLOT_ACTIVE                  1
 #define AB_SLOT_INACTIVE                0