Refactor baudrate to bitrate

Refactoring baudrate to bitrate to be consistent with terminology in
the broader literature.

Bug: 147448388
Test: Manual + VTS
Change-Id: I161b39727a3fd50ea5eddafed6fbd4924ccd149f
diff --git a/automotive/can/1.0/default/CanController.cpp b/automotive/can/1.0/default/CanController.cpp
index cd17dd8..fb648c1 100644
--- a/automotive/can/1.0/default/CanController.cpp
+++ b/automotive/can/1.0/default/CanController.cpp
@@ -61,7 +61,7 @@
     if (config.iftype == ICanController::InterfaceType::SOCKETCAN) {
         // TODO(b/135918744): support serialno
         if (config.interfaceId.getDiscriminator() == IfaceIdDisc::address) {
-            busService = new CanBusNative(config.interfaceId.address(), config.baudrate);
+            busService = new CanBusNative(config.interfaceId.address(), config.bitrate);
         } else {
             return ICanController::Result::BAD_ADDRESS;
         }
@@ -73,7 +73,7 @@
         }
     } else if (config.iftype == ICanController::InterfaceType::SLCAN) {
         if (config.interfaceId.getDiscriminator() == IfaceIdDisc::address) {
-            busService = new CanBusSlcan(config.interfaceId.address(), config.baudrate);
+            busService = new CanBusSlcan(config.interfaceId.address(), config.bitrate);
         } else {
             return ICanController::Result::BAD_ADDRESS;
         }