Replace annotation_processors with plugins

The annotation_processors property is deprecated, replace it with
plugins, and use java_plugin for modules that provide annotation
processors.

Bug: 77284273
Test: m checkbuild
Change-Id: I467b899e0c8f2c8fa74a9bfbe6e952ad0f7aa009
diff --git a/packages/CarSystemUI/Android.bp b/packages/CarSystemUI/Android.bp
index 9b6ad38..9064ebe 100644
--- a/packages/CarSystemUI/Android.bp
+++ b/packages/CarSystemUI/Android.bp
@@ -81,5 +81,5 @@
         "com.android.keyguard",
     ],
 
-    annotation_processors: ["dagger2-compiler-2.19"],
+    plugins: ["dagger2-compiler-2.19"],
 }