Introduce derive_classpath service.

go/updatable-classpath

Bug: 180105615
Test: manual + boot test
Change-Id: I713b3b881e2214f2994e1830580ae1122d7c5c3d
diff --git a/apex/allowed_deps.txt b/apex/allowed_deps.txt
index 5e8343a..3eaceed 100644
--- a/apex/allowed_deps.txt
+++ b/apex/allowed_deps.txt
@@ -352,6 +352,7 @@
 libcutils(minSdkVersion:29)
 libcutils_headers(minSdkVersion:29)
 libcutils_sockets(minSdkVersion:29)
+libderive_classpath(minSdkVersion:30)
 libderive_sdk(minSdkVersion:30)
 libdiagnose_usb(minSdkVersion:(no version))
 libdl(minSdkVersion:(no version))