Move ActionButtonPreference into SettingsLib

Since this widget will be used by other app,
we move it into SettingsLib.

Test: robotest
Bug: 120005054
Change-Id: Ib54b33d676ca6f742f18fae398a36b217340373c
diff --git a/packages/SettingsLib/ActionButtonsPreference/Android.bp b/packages/SettingsLib/ActionButtonsPreference/Android.bp
new file mode 100644
index 0000000..e518e0b
--- /dev/null
+++ b/packages/SettingsLib/ActionButtonsPreference/Android.bp
@@ -0,0 +1,13 @@
+android_library {
+    name: "ActionButtonsPreference",
+
+    srcs: ["src/**/*.java"],
+    resource_dirs: ["res"],
+
+    static_libs: [
+          "androidx.preference_preference",
+    ],
+
+    sdk_version: "system_current",
+    min_sdk_version: "21",
+}