[clang-tidy] Fix clang-tidy errors and format code

Fix the following readability-* errors:
readability-avoid-const-params-in-decls
readability-redundant-string-init

More details in b/375055000

Also run openbmc_build_scripts/scripts/format_code.sh to pass presubmit.

Change-Id: Ia5ee9ba75025ed259ed99d624c0e5ccb9aca7058
Signed-off-by: David Tang <davtang@google.com>

boot-time-blob/blob_handler.hpp

diff --git a/boot-time-blob/blob_handler.hpp b/boot-time-blob/blob_handler.hpp
index bce4bb2..3f032da 100644
--- a/boot-time-blob/blob_handler.hpp
+++ b/boot-time-blob/blob_handler.hpp
@@ -34,7 +34,7 @@
     bool expire(uint16_t session) override;
 
   private:
-    bool isReadOnlyOpenFlags(const uint16_t flag);
+    bool isReadOnlyOpenFlags(uint16_t flag);
     std::unordered_map<uint16_t, std::vector<char>> sessions;
 };
 

test/utils_test.cpp

diff --git a/test/utils_test.cpp b/test/utils_test.cpp
index a43bf12..9326069 100644
--- a/test/utils_test.cpp
+++ b/test/utils_test.cpp
@@ -126,7 +126,7 @@
     EXPECT_EQ((*vec)[1].monoTime, 50);
 
     // Check file content
-    std::string input = "";
+    std::string input;
     std::ifstream ifs(cpCompleted);
     ASSERT_TRUE(ifs.good());
     ifs >> input;
@@ -175,7 +175,7 @@
     EXPECT_EQ((*vec)[1].duration, 3000);
 
     // Check file content
-    std::string input = "";
+    std::string input;
     std::ifstream ifs(durCompleted);
     ASSERT_TRUE(ifs.good());
     ifs >> input;