ime: update patchlevel script

- Set patch level to 2019-02-01 to account for 1.62 OTA

Change-Id: Ia4ec19889c1e7b9c67ddad2dd61edc2d68d5d4e3

Author: freak07

BoardConfig.mk

@@ -113,7 +113,9 @@ PLATFORM_VERSION := 8.0.0
 # 1.53 OTA
 #PLATFORM_SECURITY_PATCH := 2018-12-01
 # 1.57 OTA
-PLATFORM_SECURITY_PATCH := 2019-01-01
+#PLATFORM_SECURITY_PATCH := 2019-01-01
+# 1.62 OTA
+PLATFORM_SECURITY_PATCH := 2019-02-01
 
 # Encryption
 TARGET_HW_DISK_ENCRYPTION := true