[AsmPrinter] De-capitalize all AsmPrinter::Emit* but EmitInstruction

Similar to rL328848.
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
index 47cc17f..975234e 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
@@ -277,12 +277,12 @@
   OutStreamer->PopSection();
 }
 
-void WebAssemblyAsmPrinter::EmitConstantPool() {
+void WebAssemblyAsmPrinter::emitConstantPool() {
   assert(MF->getConstantPool()->getConstants().empty() &&
          "WebAssembly disables constant pools");
 }
 
-void WebAssemblyAsmPrinter::EmitJumpTableInfo() {
+void WebAssemblyAsmPrinter::emitJumpTableInfo() {
   // Nothing to do; jump tables are incorporated into the instruction stream.
 }