Don't report unasserted shared changes in `Reducer._printChanges()` #6148

Job	Run time
Library (evolution)	3m 31s
Library (evolution)	3m 31s
xcodebuild (15) (test, IOS, 15.4)	32m 34s
xcodebuild (15) (test, IOS, 15.4)	32m 34s
Check Macro Compatibility	2m 58s
Check Macro Compatibility	2m 58s
xcodebuild (15) (test, MAC_CATALYST, 15.4)	6m 8s
xcodebuild (15) (test, MAC_CATALYST, 15.4)	6m 8s
Examples	5m 36s
Examples	21m 15s
xcodebuild (15) (test, MACOS, 15.4)	6m 50s
xcodebuild (15) (test, MACOS, 15.4)	6m 50s
xcodebuild (16) (test, IOS, 16.0)	7m 25s
xcodebuild (16) (test, IOS, 16.0)	7m 25s
xcodebuild (15) (test, TVOS, 15.4)	6m 39s
xcodebuild (15) (test, TVOS, 15.4)	6m 39s
xcodebuild (16) (test, MACOS, 16.0)	4m 11s
xcodebuild (16) (test, MACOS, 16.0)	4m 11s
xcodebuild (15) (test, VISIONOS, 15.4)	30m 3s
xcodebuild (15) (test, VISIONOS, 15.4)	30m 3s
xcodebuild (16) (IOS, 16.0)	6m 57s
xcodebuild (16) (IOS, 16.0)	6m 57s
xcodebuild (16) (MACOS, 16.0)	3m 51s
xcodebuild (16) (MACOS, 16.0)	3m 51s
xcodebuild (15) (test, WATCHOS, 15.4)	9m 42s
xcodebuild (15) (test, WATCHOS, 15.4)	9m 42s
xcodebuild (15) (IOS, 15.2)	5m 4s
xcodebuild (15) (IOS, 15.2)	5m 4s
xcodebuild (15) (MACOS, 15.2)	4m 1s
xcodebuild (15) (MACOS, 15.2)	4m 1s
	4h 46m 39s

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