Prefer framework-annotations-lib dependency

Rather than bundling a copy of the framework annotations, reference them
via framework-annotations-lib as a libs reference. This ensures the
target inherits any necessary keep rule configurations, and is the same
pattern used by other mainline modules.

Bug: 275175207
Test: m
Flag: EXEMPT refactor
Change-Id: I014aa79f4fec69aef062a2fb855a50f658380ac5
diff --git a/Tethering/Android.bp b/Tethering/Android.bp
index 70b38a4..15ad226 100644
--- a/Tethering/Android.bp
+++ b/Tethering/Android.bp
@@ -79,6 +79,7 @@
     ],
     defaults: ["TetheringExternalLibs"],
     libs: [
+        "framework-annotations-lib",
         "framework-tethering.impl",
     ],
     manifest: "AndroidManifestBase.xml",