Cleanup: implement PrependArray and PrependPrecise in terms of InlineData
Cleanup: implement PrependArray and PrependPrecise in terms of InlineData

This removes layout specific details from InlineData from cord.cc, making future platform specific internal layout changes easier to land.

PiperOrigin-RevId: 477870559
Change-Id: I26e428ef280d593ad321cf7875e05adcb1cb6438

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