Fix narrowing warning in battor_sample_converter_unittest

tools/battor_agent/battor_sample_converter_unittest.cc

Index: tools/battor_agent/battor_sample_converter_unittest.cc
diff --git a/tools/battor_agent/battor_sample_converter_unittest.cc b/tools/battor_agent/battor_sample_converter_unittest.cc
index f0b9935982c3cfe5508980177eb4f85674548ac6..01ad5e5cdb7246f05dbf4d2c1d3458b9ce135f40 100644
--- a/tools/battor_agent/battor_sample_converter_unittest.cc
+++ b/tools/battor_agent/battor_sample_converter_unittest.cc
@@ -25,7 +25,7 @@ TEST(BattOrSampleConverterTest, ToSampleSimple) {
 
   // Create a calibration frame with a baseline voltage and current of zero.
   std::vector<RawBattOrSample> calibration_frame;
-  calibration_frame.push_back(RawBattOrSample{0.0, 0.0});
+  calibration_frame.push_back(RawBattOrSample{0, 0});
   BattOrSampleConverter converter(eeprom, calibration_frame);
 
   // Set both the voltage and current to their max values.