Make vendor_ramdisk_available.

Test: pass
Bug: 156098440
Change-Id: I8fe2deb8fa3b24c227202be02d8af648629cffeb
diff --git a/libm/Android.bp b/libm/Android.bp
index 1c4fe55..322d67a 100644
--- a/libm/Android.bp
+++ b/libm/Android.bp
@@ -7,6 +7,7 @@
     name: "libm",
     defaults: ["linux_bionic_supported"],
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     static_ndk_lib: true,