Mark libqemu_pipe vendor_available

Test: lunch aosp_arm && m -j BOARD_VNDK_VERSION=current

Bug: 38244611
Bug: 62449588

Change-Id: I6f9bc5b1f376a046d05d77436360b32c65981165
diff --git a/qemu_pipe/Android.bp b/qemu_pipe/Android.bp
index ea9fa76..93c347b 100644
--- a/qemu_pipe/Android.bp
+++ b/qemu_pipe/Android.bp
@@ -2,6 +2,7 @@
 
 cc_library_static {
     name: "libqemu_pipe",
+    vendor_available: true,
     sanitize: {
         misc_undefined: ["integer"],
     },