Expose flags for collapse resource name to 'convert' command.

To achieve this ParseResourceConfig is extracted to Utils.cpp and tests
are moved from Optimize_test.cpp to Util_test.cpp.

Bug: b/249793372
Test: Util_test, Convert_test
Change-Id: I5a0458e3834d5ea62c96013abc14527285e895e0
diff --git a/tools/aapt2/cmd/Util.h b/tools/aapt2/cmd/Util.h
index 7af27f5..3d4ca24 100644
--- a/tools/aapt2/cmd/Util.h
+++ b/tools/aapt2/cmd/Util.h
@@ -18,12 +18,15 @@
 #define AAPT_SPLIT_UTIL_H
 
 #include <regex>
+#include <set>
+#include <unordered_set>
 
 #include "AppInfo.h"
 #include "SdkConstants.h"
 #include "androidfw/IDiagnostics.h"
 #include "androidfw/StringPiece.h"
 #include "filter/ConfigFilter.h"
+#include "process/IResourceTableConsumer.h"
 #include "split/TableSplitter.h"
 #include "xml/XmlDom.h"
 
@@ -76,6 +79,10 @@
 // Returns a case insensitive regular expression based on the input.
 std::regex GetRegularExpression(const std::string &input);
 
+bool ParseResourceConfig(const std::string& content, IAaptContext* context,
+                         std::unordered_set<ResourceName>& out_resource_exclude_list,
+                         std::set<ResourceName>& out_name_collapse_exemptions);
+
 }  // namespace aapt
 
 #endif /* AAPT_SPLIT_UTIL_H */