Move Vehicle HAL under automotive package

Test: verified unit tests and VTS are passing

Bug: b/33200203
Change-Id: I69cc4bc0d4cbc1a6bf2f77564a8f70412fe06947
diff --git a/automotive/Android.bp b/automotive/Android.bp
new file mode 100644
index 0000000..aa8f74f
--- /dev/null
+++ b/automotive/Android.bp
@@ -0,0 +1,5 @@
+// This is an autogenerated file, do not edit.
+subdirs = [
+    "vehicle",
+    "vehicle/2.0",
+]