Expose HIDL HALs to car framework apex

- all HALs also get //apex_available:platform as HAL should
  be available for platform

Bug: 192665266
Test: build
Change-Id: Ic6781447628761a8e8a9aa31e473dfc340af9989
diff --git a/health/1.0/Android.bp b/health/1.0/Android.bp
index 003b106..e793db6 100644
--- a/health/1.0/Android.bp
+++ b/health/1.0/Android.bp
@@ -20,4 +20,8 @@
     ],
     gen_java: true,
     gen_java_constants: true,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.car.framework",
+    ],
 }