Convert system/tools/sysprop to Result::ok()

No functionality changes, this is a mechanical cleanup.

Test: cd system/apexd && m
Change-Id: I5da354e48d0fb12721dd430a6e9ad2d83b040a5e
diff --git a/ApiChecker.cpp b/ApiChecker.cpp
index f2008e5..316a4b4 100644
--- a/ApiChecker.cpp
+++ b/ApiChecker.cpp
@@ -107,7 +107,7 @@
     // only deprecated properties.
     if (auto res =
             CompareProps(latest.props(i), propsMap[latest.props(i).module()]);
-        !res) {
+        !res.ok()) {
       return res;
     }
   }
diff --git a/ApiCheckerMain.cpp b/ApiCheckerMain.cpp
index a1a5475..081ca84 100644
--- a/ApiCheckerMain.cpp
+++ b/ApiCheckerMain.cpp
@@ -43,21 +43,21 @@
 
   sysprop::SyspropLibraryApis latest, current;
 
-  if (auto res = ParseApiFile(argv[1]); res) {
+  if (auto res = ParseApiFile(argv[1]); res.ok()) {
     latest = std::move(*res);
   } else {
     LOG(FATAL) << "parsing sysprop_library API file " << argv[1]
                << " failed: " << res.error();
   }
 
-  if (auto res = ParseApiFile(argv[2]); res) {
+  if (auto res = ParseApiFile(argv[2]); res.ok()) {
     current = std::move(*res);
   } else {
     LOG(FATAL) << "parsing sysprop_library API file " << argv[2]
                << " failed: " << res.error();
   }
 
-  if (auto res = CompareApis(latest, current); !res) {
+  if (auto res = CompareApis(latest, current); !res.ok()) {
     LOG(ERROR) << "sysprop_library API check failed:\n" << res.error();
     return EXIT_FAILURE;
   }
diff --git a/ApiDumpMain.cpp b/ApiDumpMain.cpp
index e607196..38d9083 100644
--- a/ApiDumpMain.cpp
+++ b/ApiDumpMain.cpp
@@ -47,7 +47,7 @@
   std::map<std::string, sysprop::Properties> modules;
 
   for (int i = 2; i < argc; ++i) {
-    if (auto res = ParseProps(argv[i]); res) {
+    if (auto res = ParseProps(argv[i]); res.ok()) {
       if (!modules.emplace(res->module(), *res).second) {
         LOG(FATAL) << "duplicated module name " << res->module();
       }
diff --git a/Common.cpp b/Common.cpp
index b6bb1b2..b4f0e42 100644
--- a/Common.cpp
+++ b/Common.cpp
@@ -223,7 +223,7 @@
 
   for (int i = 0; i < props.prop_size(); ++i) {
     const auto& prop = props.prop(i);
-    if (auto res = ValidateProp(props, prop); !res) return res;
+    if (auto res = ValidateProp(props, prop); !res.ok()) return res;
   }
 
   std::unordered_set<std::string> prop_names;
@@ -288,7 +288,7 @@
     return Errorf("Error parsing file {}", input_file_path);
   }
 
-  if (auto res = ValidateProps(ret); !res) {
+  if (auto res = ValidateProps(ret); !res.ok()) {
     return res.error();
   }
 
@@ -320,7 +320,7 @@
                     input_file_path, props->module());
     }
 
-    if (auto res = ValidateProps(*props); !res) {
+    if (auto res = ValidateProps(*props); !res.ok()) {
       return res.error();
     }
 
diff --git a/CppGen.cpp b/CppGen.cpp
index f047e7d..25b1ea9 100644
--- a/CppGen.cpp
+++ b/CppGen.cpp
@@ -440,7 +440,7 @@
                               const std::string& include_name) {
   sysprop::Properties props;
 
-  if (auto res = ParseProps(input_file_path); res) {
+  if (auto res = ParseProps(input_file_path); res.ok()) {
     props = std::move(*res);
   } else {
     return res.error();
diff --git a/CppMain.cpp b/CppMain.cpp
index 5f06669..a5cacc3 100644
--- a/CppMain.cpp
+++ b/CppMain.cpp
@@ -101,7 +101,7 @@
 
 int main(int argc, char* argv[]) {
   Arguments args;
-  if (auto res = ParseArgs(argc, argv); res) {
+  if (auto res = ParseArgs(argc, argv); res.ok()) {
     args = std::move(*res);
   } else {
     LOG(ERROR) << argv[0] << ": " << res.error();
@@ -111,7 +111,7 @@
   if (auto res = GenerateCppFiles(args.input_file_path, args.header_dir,
                                   args.public_header_dir, args.source_dir,
                                   args.include_name);
-      !res) {
+      !res.ok()) {
     LOG(FATAL) << "Error during generating cpp sysprop from "
                << args.input_file_path << ": " << res.error();
   }
diff --git a/JavaGen.cpp b/JavaGen.cpp
index 4ac45b1..7e23dfb 100644
--- a/JavaGen.cpp
+++ b/JavaGen.cpp
@@ -402,7 +402,7 @@
                                  const std::string& java_output_dir) {
   sysprop::Properties props;
 
-  if (auto res = ParseProps(input_file_path); res) {
+  if (auto res = ParseProps(input_file_path); res.ok()) {
     props = std::move(*res);
   } else {
     return res.error();
diff --git a/JavaMain.cpp b/JavaMain.cpp
index 723e2d3..370b00e 100644
--- a/JavaMain.cpp
+++ b/JavaMain.cpp
@@ -93,14 +93,14 @@
 int main(int argc, char* argv[]) {
   Arguments args;
   std::string err;
-  if (auto res = ParseArgs(argc, argv, &args); !res) {
+  if (auto res = ParseArgs(argc, argv, &args); !res.ok()) {
     LOG(ERROR) << res.error();
     PrintUsage(argv[0]);
   }
 
   if (auto res = GenerateJavaLibrary(args.input_file_path, args.scope,
                                      args.java_output_dir);
-      !res) {
+      !res.ok()) {
     LOG(FATAL) << "Error during generating java sysprop from "
                << args.input_file_path << ": " << res.error();
   }