ledger-tool: verify: add --record-slots and --verify-slots (#34246) #11213

Job	Run time
ios (macos-11, aarch64-apple-ios)	7m 26s
android (ubuntu-20.04, x86_64-linux-android)	2m 56s
ios (macos-11, x86_64-apple-ios)	6m 22s
android (ubuntu-20.04, aarch64-linux-android)	3m 4s
ios (macos-11, aarch64-apple-darwin)	6m 48s
android (ubuntu-20.04, i686-linux-android)	3m 1s
ios (macos-11, x86_64-apple-darwin)	7m 16s
android (ubuntu-20.04, armv7-linux-androideabi)	3m 11s
error_reporting	0s
	40m 4s

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