Merge "dumpsys: remove usage of String16::std_string"

#include <android-base/file.h>

#include <utils/String16.h>

#include <utils/String8.h>

#include <utils/Vector.h>

using namespace android;

    int i = 0;

    std::ostringstream actual_stream, expected_stream;

    for (String16 actual : arg) {

        std::string actual_str = String16::std_string(actual);

        std::string actual_str = String8(actual).c_str();

        std::string expected_str = expected[i];

        actual_stream << "'" << actual_str << "' ";

        expected_stream << "'" << expected_str << "' ";