Add pkvm_experimental option

Bug: 331380330
Test: build & flash
Flag: EXEMPT, experimental code
Change-Id: I08f7638868db895d6199bfe500ed1c35350a823d
Signed-off-by: Nikita Ioffe <ioffe@google.com>
Ignore-AOSP-First: in a topic that has internal-only parts
diff --git a/build/apex/Android.bp b/build/apex/Android.bp
index 4916df7..476ae0f 100644
--- a/build/apex/Android.bp
+++ b/build/apex/Android.bp
@@ -148,6 +148,14 @@
             "microdroid_gki-android15-6.6_kernel",
             "microdroid_gki-android15-6.6.json",
         ],
+        // Internal option used by pkvm team while developing new features.
+        // Should not be used on production kernels.
+        "pkvm_experimental": [
+            "microdroid_gki-pkvm_experimental_initrd_debuggable",
+            "microdroid_gki-pkvm_experimental_initrd_normal",
+            "microdroid_gki-pkvm_experimental_kernel",
+            "microdroid_gki-pkvm_experimental.json",
+        ],
         default: [],
     }) + select(release_flag("RELEASE_AVF_ENABLE_DEVICE_ASSIGNMENT"), {
         true: ["com.android.virt.vfio_handler.rc"],