Add product_available to product available modules am: 4bf3db99cf

Original change: https://android-review.googlesource.com/c/platform/external/libunwind_llvm/+/1495857

Change-Id: Ic623967421149f42472ac34c793059e06082c62c
diff --git a/Android.bp b/Android.bp
index 749de15..b97ee0d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -54,6 +54,7 @@
     name: "libunwind_llvm",
     sdk_version: "21",
     vendor_available: true,
+    product_available: true,
     ramdisk_available: true,
     vendor_ramdisk_available: true,
     recovery_available: true,