impr: Capture transactions on a bg thread #7442

Job	Run time
Sample watchOS	3m 21s
Sample macOS-Swift	1m 37s
Release Build of iOS Swift	3m 34s
Sample iOS13-Swift	1m 55s
Build XCFramework	11m 56s
Check UIKit linkage (Debug)	1m 10s
Check no UIKit linkage (Debug_without_UIKit)	1m 2s
Check UIKit linkage (Release)	1m 20s
Check no UIKit linkage (Release_without_UIKit)	1m 21s
Build with Swift	1m 3s
Validate XCFramework	1m 9s
Validate Swift Package Manager	1m 3s
Validate Swift Package Manager Dynamic	1m 9s
	31m 40s

Provide feedback