Add support for SLCAN

* Adding support for SLCAN type interfaces
* Made some of the formatting more consistent

Bug: 142656299
Test: Manually with canhalctrl, canhaldump, and canhalsend
Change-Id: Ifa4c234beb75f8a0ea93bfd75555c5ed8d68dca4
diff --git a/automotive/can/1.0/default/Android.bp b/automotive/can/1.0/default/Android.bp
index 8aa1d6b..ee2e92b 100644
--- a/automotive/can/1.0/default/Android.bp
+++ b/automotive/can/1.0/default/Android.bp
@@ -39,6 +39,7 @@
         "CanBus.cpp",
         "CanBusNative.cpp",
         "CanBusVirtual.cpp",
+        "CanBusSlcan.cpp",
         "CanController.cpp",
         "CanSocket.cpp",
         "CloseHandle.cpp",