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

Similar to rL328848.
diff --git a/llvm/lib/CodeGen/AsmPrinter/ARMException.cpp b/llvm/lib/CodeGen/AsmPrinter/ARMException.cpp
index f6ef85a..c17994c 100644
--- a/llvm/lib/CodeGen/AsmPrinter/ARMException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/ARMException.cpp
@@ -109,7 +109,7 @@
   for (const GlobalValue *GV : reverse(TypeInfos)) {
     if (VerboseAsm)
       Asm->OutStreamer->AddComment("TypeInfo " + Twine(Entry--));
-    Asm->EmitTTypeReference(GV, TTypeEncoding);
+    Asm->emitTTypeReference(GV, TTypeEncoding);
   }
 
   Asm->OutStreamer->EmitLabel(TTBaseLabel);
@@ -129,7 +129,7 @@
         Asm->OutStreamer->AddComment("FilterInfo " + Twine(Entry));
     }
 
-    Asm->EmitTTypeReference((TypeID == 0 ? nullptr : TypeInfos[TypeID - 1]),
+    Asm->emitTTypeReference((TypeID == 0 ? nullptr : TypeInfos[TypeID - 1]),
                             TTypeEncoding);
   }
 }