Add device_first_vendor(_shared)_data

There are some host tests in internal that rely on the vendor variation
of other modules, that they include in their `data` property.

Add explicit properties for these dependencies so that they don't rely
on the 1-variant fallback.

Bug: 372091092
Test: m nothing
Change-Id: I51a50db2a06fdd3f885ac21f3ad3ce15386feb53
diff --git a/java/robolectric.go b/java/robolectric.go
index 5f46267..37cac2c 100644
--- a/java/robolectric.go
+++ b/java/robolectric.go
@@ -151,6 +151,8 @@
 	r.data = append(r.data, android.PathsForModuleSrc(ctx, r.testProperties.Device_common_data)...)
 	r.data = append(r.data, android.PathsForModuleSrc(ctx, r.testProperties.Device_first_data)...)
 	r.data = append(r.data, android.PathsForModuleSrc(ctx, r.testProperties.Device_first_prefer32_data)...)
+	r.data = append(r.data, android.PathsForModuleSrc(ctx, r.testProperties.Device_first_vendor_data)...)
+	r.data = append(r.data, android.PathsForModuleSrc(ctx, r.testProperties.Device_first_vendor_shared_data)...)
 
 	var ok bool
 	var instrumentedApp *AndroidApp