Updated documentation on use of %v Also updated documentation around FormatSink and PutPaddedString
Updated documentation on use of %v
Also updated documentation around FormatSink and PutPaddedString

PiperOrigin-RevId: 488651398
Change-Id: Ic6c586dbb8bea61df841a142f12d22c7e5b03f43

abseil/abseil-cpp,abseil/abseil-cpp,abseil/abseil-cpp,abseil/abseil-cpp