Convert sysui to bp

Test: tests gonna test, builds gonna build
Change-Id: I7f1ef2e82ce2c74253c57de8d73079dcfe2d2264
Merged-In: I7f1ef2e82ce2c74253c57de8d73079dcfe2d2264
(cherry picked from commit a2f2d82f26)
(cherry picked from commit 1a8ee9d2f9)
(cherry picked from commit 83ce30d807)

packages/SystemUI/plugin/ExamplePlugin/Android.bp

@@ -0,0 +1,14 @@
+android_app {
+
+    name: "ExamplePlugin",
+
+    libs: ["SystemUIPluginLib"],
+
+    certificate: "platform",
+    optimize: {
+        enabled: false,
+    },
+
+    srcs: ["src/**/*.java"],
+
+}