Update kernel to 0627 version #531

Job	Run time
FreeRTOS+TCP Windows Simulator Demos	6h 5m 0s
Windows Simulator Cellular Demos	2m 27s
FreeRTOS+TCP QEMU ARM MPS2 AN385	1s
corePKCS11 WinSim Demos	3m 13s
coreHTTP WinSim Demos	3m 38s
core Library Windows Simulator Demos	14m 48s
FreeRTOS+TCP Posix Simulator Demo	39s
AWS IoT Windows Simulator Demos	4m 13s
FreeRTOS+CLI Windows Simulator Demos	2m 1s
	6h 36m 0s

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