[dotnet-linker] Improve method naming a bit according to reviews.

tools/dotnet-linker/CecilExtensions.cs

@@ -68,16 +68,16 @@ namespace Xamarin.Linker {
 			}
 		}
 
-		public static Instruction Create (this ILProcessor il, bool value)
+		public static Instruction CreateLdc (this ILProcessor il, bool value)
 		{
 			if (value)
 				return il.Create (OpCodes.Ldc_I4_1);
 			return il.Create (OpCodes.Ldc_I4_0);
 		}
 
-		public static void Emit (this ILProcessor il, bool value)
+		public static void EmitLdc (this ILProcessor il, bool value)
 		{
-			il.Append (il.Create (value));
+			il.Append (il.CreateLdc (value));
 		}
 
 		public static GenericInstanceMethod CreateGenericInstanceMethod (this MethodReference mr, params TypeReference [] genericTypeArguments)

tools/dotnet-linker/Steps/ManagedRegistrarStep.cs

@@ -698,7 +698,7 @@ namespace Xamarin.Linker {
 						postProcessing.Add (il.CreateLoadArgument (nativeParameterIndex));
 						postProcessing.Add (il.Create (OpCodes.Ldloc, indirectVariable));
 						postProcessing.Add (il.Create (OpCodes.Ldloc, copyIndirectVariable));
-						postProcessing.Add (il.Create (isOutParameter));
+						postProcessing.Add (il.CreateLdc (isOutParameter));
 						postProcessing.Add (il.Create (OpCodes.Call, managed_to_native));
 						return true;
 					}
@@ -773,7 +773,7 @@ namespace Xamarin.Linker {
 
 						il.Emit (OpCodes.Ldarg_1); // SEL
 						il.Emit (OpCodes.Ldtoken, method);
-						il.Emit (parameter == -1); // evenInFinalizerQueue
+						il.EmitLdc (parameter == -1); // evenInFinalizerQueue
 						il.Emit (OpCodes.Call, abr.Runtime_GetNSObject_T___System_IntPtr_System_IntPtr_System_RuntimeMethodHandle_bool.CreateGenericInstanceMethod (type));
 						var tmpVariable = il.Body.AddVariable (type);
 						il.Emit (OpCodes.Stloc, tmpVariable);