Make camera/drm helper classes available to system.

As VTS tests are considered system and link against these.

Bug: 38302533
Bug: 62523241
Test: builds
Change-Id: Iac5c872c58ec9646d6d6974aacceb930daad7e5e
diff --git a/camera/common/1.0/default/Android.bp b/camera/common/1.0/default/Android.bp
index 03a71fa..5461d82 100644
--- a/camera/common/1.0/default/Android.bp
+++ b/camera/common/1.0/default/Android.bp
@@ -1,6 +1,6 @@
 cc_library_static {
     name: "android.hardware.camera.common@1.0-helper",
-    vendor: true,
+    vendor_available: true,
     defaults: ["hidl_defaults"],
     srcs: [
         "CameraModule.cpp",
diff --git a/drm/1.0/default/Android.bp b/drm/1.0/default/Android.bp
index 6b1db56..ed6bcde 100644
--- a/drm/1.0/default/Android.bp
+++ b/drm/1.0/default/Android.bp
@@ -1,6 +1,6 @@
 cc_library_static {
     name: "android.hardware.drm@1.0-helper",
-    vendor: true,
+    vendor_available: true,
     defaults: ["hidl_defaults"],
     srcs: [
         "SharedLibrary.cpp",