Rename function to be more descriptive

native/jni/init/getinfo.cpp

@@ -186,5 +186,5 @@ bool check_two_stage() {
 		return true;
 	// If we still have no indication, parse the original init and see what's up
 	auto init = raw_data::mmap_ro("/.backup/init");
-	return init.find("selinux_setup");
+	return init.contains("selinux_setup");
 }

native/jni/init/init.cpp

@@ -40,7 +40,7 @@ int data_holder::patch(str_pairs list) {
 	return count;
 }
 
-bool data_holder::find(string_view pattern) {
+bool data_holder::contains(string_view pattern) {
 	for (uint8_t *p = buf, *eof = buf + sz; p < eof; ++p) {
 		if (memcmp(p, pattern.data(), pattern.length() + 1) == 0)
 			return true;

native/jni/init/init.hpp

@@ -21,7 +21,7 @@ struct data_holder {
 	size_t sz = 0;
 	using str_pairs = std::initializer_list<std::pair<std::string_view, std::string_view>>;
 	int patch(str_pairs list);
-	bool find(std::string_view pattern);
+	bool contains(std::string_view pattern);
 protected:
 	void consume(data_holder &other);
 };