EKF2: add validity flags to global pos message #1051

Job	Run time
Scan for Board Targets	27s
Build Group [base-px4]	4m 32s
Build Group [nuttx-mro-0]	9m 46s
Build Group [nuttx-mro-1]	3m 55s
Build Group [nuttx-0]	8m 13s
Build Group [nuttx-ark-0]	5m 56s
Build Group [nuttx-ark-1]	3m 51s
Build Group [nuttx-holybro-0]	7m 20s
Build Group [nuttx-holybro-1]	4m 15s
Build Group [nuttx-px4-0]	8m 25s
Build Group [nuttx-px4-1]	12m 14s
Build Group [nuttx-px4-2]	12m 52s
Build Group [nuttx-px4-3]	6m 7s
Build Group [nuttx-matek]	6m 9s
Build Group [nuttx-cubepilot]	8m 2s
Build Group [nuttx-1]	7m 5s
Build Group [nuttx-nxp-0]	12m 8s
Build Group [nuttx-nxp-1]	1m 58s
Build Group [nuttx-2]	6m 15s
Build Group [nuttx-3]	7m 21s
Build Group [nuttx-cuav]	7m 9s
Build Group [nuttx-4]	6m 28s
Build Group [nuttx-5]	4m 12s
Build Group [aarch64-0]	1m 36s
Create Release and Upload Artifacts	0s
Upload Artifacts to S3	0s
	2h 36m 16s

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