Updating format strings per feedback in Darwin #84038

Job	Run time
Build framework (macos-release, -sdk macosx -configuration Release)	18m 23s
Build framework (macos-release, -sdk macosx -configuration Release)	18m 23s
Build framework (ios-release, -sdk iphoneos -configuration Release)	13m 53s
Build framework (ios-release, -sdk iphoneos -configuration Release)	13m 53s
Build framework (tvos-debug, -sdk appletvos -configuration Debug)	12m 41s
Build framework (tvos-debug, -sdk appletvos -configuration Debug)	12m 41s
Build framework (watchos-debug, -sdk watchos -configuration Debug)	16m 46s
Build framework (watchos-debug, -sdk watchos -configuration Debug)	16m 46s
Run framework tests (asan, -enableAddressSanitizer YES -enableUndefinedBehaviorSanitizer YES)	28m 1s
Run framework tests (asan, -enableAddressSanitizer YES -enableUndefinedBehaviorSanitizer YES)	28m 0s
Run framework tests (tsan, -enableThreadSanitizer YES)	27m 42s
Run framework tests (tsan, -enableThreadSanitizer YES)	27m 17s
Run framework tests (leaks, ENABLE_LEAK_DETECTION=1)	28m 55s
Run framework tests (leaks, ENABLE_LEAK_DETECTION=1)	25m 11s
	4h 48m 32s

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