Add android.sdk aconfig flags

Add the infrastructure for aconfig flags in the android.sdk package.
Also add the flag android.sdk.major_minor_versioning_scheme.

Bug: 350458259
Test: m nothing
Flag: EXEMPT no need to flag the introduction of new flags
Change-Id: I928b44dd802dc3d1351547d516d3c195329219a6

2 files changed, 42 insertions, 0 deletions

diff --git a/android-sdk-flags/Android.bp b/android-sdk-flags/Android.bp
new file mode 100644
index 000000000000..79a0b9a4f273
--- /dev/null
+++ b/android-sdk-flags/Android.bp
@@ -0,0 +1,30 @@
+// Copyright (C) 2024 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["frameworks_base_license"],
+}
+
+aconfig_declarations {
+    name: "android-sdk-flags",
+    package: "android.sdk",
+    container: "system",
+    srcs: ["flags.aconfig"],
+}
+
+java_aconfig_library {
+    name: "android-sdk-flags-java",
+    aconfig_declarations: "android-sdk-flags",
+    defaults: ["framework-minus-apex-aconfig-java-defaults"],
+}
diff --git a/android-sdk-flags/flags.aconfig b/android-sdk-flags/flags.aconfig
new file mode 100644
index 000000000000..cfe298e187d1
--- /dev/null
+++ b/android-sdk-flags/flags.aconfig
@@ -0,0 +1,12 @@
+package: "android.sdk"
+container: "system"
+
+flag {
+    name: "major_minor_versioning_scheme"
+    namespace: "android_sdk"
+    description: "Use the new SDK major.minor versioning scheme (e.g. Android 40.1) which replaces the old single-integer scheme (e.g. Android 15)."
+    bug: "350458259"
+
+    # Use is_fixed_read_only because DeviceConfig may not be available when Build.VERSION_CODES is first accessed
+    is_fixed_read_only: true
+}