[docs] Corrections w.r.t V2 of the coverage mapping format
[docs] Corrections w.r.t V2 of the coverage mapping format

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264679 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit cfef8b9a08575364633cf2ad6755d3c3dd059b65)

Conflicts:
	docs/CoverageMappingFormat.rst

apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm