Extract finalization build to a separate script.

For finalization CI we'll do multiple builds and tests in a separate
branch.

Bug: 243966946
Test: abdt in nightly
Change-Id: Ie90705de3145c06363536613e57c0de504b5eb1b
diff --git a/finalize-aidl-vndk-sdk-resources.sh b/finalize-aidl-vndk-sdk-resources.sh
new file mode 100755
index 0000000..5d4fbe3
--- /dev/null
+++ b/finalize-aidl-vndk-sdk-resources.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+set -ex
+
+function finalize_aidl_vndk_sdk_resources() {
+    local top="$(dirname "$0")"/../..
+
+    # default target to modify tree and build SDK
+    local m="$top/build/soong/soong_ui.bash --make-mode TARGET_PRODUCT=aosp_arm64 TARGET_BUILD_VARIANT=userdebug"
+
+    # This script is WIP and only finalizes part of the Android branch for release.
+    # The full process can be found at (INTERNAL) go/android-sdk-finalization.
+
+    # VNDK snapshot (TODO)
+    # SDK snapshots (TODO)
+    # Update references in the codebase to new API version (TODO)
+    # ...
+
+    AIDL_TRANSITIVE_FREEZE=true $m aidl-freeze-api create_reference_dumps
+
+    # Generate ABI dumps
+    ANDROID_BUILD_TOP="$top" \
+        out/host/linux-x86/bin/create_reference_dumps \
+        -p aosp_arm64 --build-variant user
+
+    # Update new versions of files. See update-vndk-list.sh (which requires envsetup.sh)
+    $m check-vndk-list || \
+        { cp $top/out/soong/vndk/vndk.libraries.txt $top/build/make/target/product/gsi/current.txt; }
+
+    # Finalize resources
+    "$top/frameworks/base/tools/aapt2/tools/finalize_res.py" \
+           "$top/frameworks/base/core/res/res/values/public-staging.xml" \
+           "$top/frameworks/base/core/res/res/values/public-final.xml"
+
+    # SDK finalization
+    local sdk_codename='public static final int UPSIDE_DOWN_CAKE = CUR_DEVELOPMENT;'
+    local sdk_version='public static final int UPSIDE_DOWN_CAKE = 34;'
+    local sdk_build="$top/frameworks/base/core/java/android/os/Build.java"
+
+    sed -i "s%$sdk_codename%$sdk_version%g" $sdk_build
+
+    # Update the current.txt
+    $m update-api
+}
+
+finalize_aidl_vndk_sdk_resources
+