multihal: move to vendor

Test: works
Bug: 33241851
Change-Id: I752d2a67c0dde2c635970f6aa24f58f5da85e785
diff --git a/modules/sensors/Android.bp b/modules/sensors/Android.bp
index f19cee3..1d15065 100644
--- a/modules/sensors/Android.bp
+++ b/modules/sensors/Android.bp
@@ -1,5 +1,6 @@
 cc_library_static {
     name: "multihal",
+    vendor: true,
     srcs: [
         "multihal.cpp",
         "SensorEventQueue.cpp"