[Physical Keyboard] Add flag for keyboard a11y new page features

Bug: 345399212
Test: N/A
Flags: com.android.settings.keyboard.keyboard_and_touchpad_a11y_new_page_enabled
Change-Id: I03a6c7bbb042f90761838724a0097f35b008449c
diff --git a/aconfig/Android.bp b/aconfig/Android.bp
index 549ccc7..198c24d 100644
--- a/aconfig/Android.bp
+++ b/aconfig/Android.bp
@@ -66,3 +66,15 @@
     name: "development_settings_flag_lib",
     aconfig_declarations: "development_settings_flags",
 }
+
+aconfig_declarations {
+    name: "keyboard_flags",
+    package: "com.android.settings.keyboard",
+    container: "system_ext",
+    srcs: ["keyboard/*.aconfig"],
+}
+
+java_aconfig_library {
+    name: "keyboard_flags_lib",
+    aconfig_declarations: "keyboard_flags",
+}
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