Use mono-api-html --ignore-change-parameter-names (#2)

Google changes method parameter names over time. That means that
Xamarin.Android must *also* change parameter names over time, so that
Google's Android documentation is usable. (Parameter name mismatches
will cause needless confusion.)

This in turn means that Xamarin.Android *cannot* provide full source
API compatibility; use of e.g. C# 4 named parameters *may* result in
compilation breakage, due to parameter name changes.

(Parameter names only change with new `$(TargetFrameworkVersion)`
values; so long as a project doesn't change the
`$(TargetFrameworkVersion)`, the project shouldn't be exposed to
parameter name-related breakage.)

Compare to *ABI* stability, which is largely sacrosanct: if ABI
breaks, then existing "in the wild" assemblies may not be able to
*load* anymore, which is very problematic.

Update the `mono-api-info` invocation to use
`mono-api-info --ignore-change-parameter-names` so that parameter
name changes aren't reported as breaking changes by xamarin-android's
`api-compatibility` tests.

Author: atsushieno

Makefile

@@ -92,9 +92,9 @@ check: check-inter-api-level
 	$(call BUILD_API_INFO,temp,$(XA_FRAMEWORK_DIR))
 	failed=0 ; \
 	for file in $(CORE_ASSEMBLIES) $(TFV_ASSEMBLIES) ; do \
-		if $(MONO_API_HTML) $(REFERENCE_DIR)/$$file.xml temp/$$file.xml | grep '>Removed' > /dev/null 2>&1 ; then \
+		if $(MONO_API_HTML) $(REFERENCE_DIR)/$$file.xml temp/$$file.xml --ignore-changes-parameter-names | grep '>Removed' > /dev/null 2>&1 ; then \
 			echo "ABI BREAK IN: $$file.dll" ; \
-			$(MONO_API_HTML) $(REFERENCE_DIR)/$$file.xml temp/$$file.xml ; \
+			$(MONO_API_HTML) $(REFERENCE_DIR)/$$file.xml temp/$$file.xml  --ignore-changes-parameter-names; \
 			failed=1; \
 		fi ; \
 	done ; \
@@ -128,7 +128,7 @@ check-inter-api-level: -create-inter-api-infos
 		echo "# reading extras from: $$extras_in"; \
 		extra=`cat $$extras_in 2>/dev/null`; \
 		out=`mktemp interdiff-XXXXXX.html` ; \
-		command="$(MONO_API_HTML) "$$prev" "$$cur" --ignore-changes-parameter-names --ignore-changes-virtual --ignore-changes-property-setters $$extra"; \
+		command="$(MONO_API_HTML) \"$$prev\" \"$$cur\" --ignore-changes-parameter-names --ignore-changes-virtual --ignore-changes-property-setters $$extra"; \
 		echo $$command; \
 		eval $$command > "$$out" 2>&1; \
 		if grep '>Removed' $$out > /dev/null 2>&1 ; then \