Move emitInlineAsmEnd to the AsmPrinter interface.

There is no inline asm in a .s file. Therefore, there should be no logic to
handle it in the streamer. Inline asm only exists in bitcode files, so the
logic can live in the (long misnamed) AsmPrinter class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200011 91177308-0d34-0410-b5e6-96231b3b80d8