Propagate RELEASE_AVF_MICRODROID_KERNEL_VERSION to Soong

Bug: 298011555
Test: builds
Change-Id: I69a895318ea13fb1bee7bf0aec8893672b7bdf49
diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 18d955c..5afdd6c 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -164,6 +164,7 @@
 $(call add_soong_config_var_value,ANDROID,release_avf_enable_remote_attestation,$(RELEASE_AVF_ENABLE_REMOTE_ATTESTATION))
 $(call add_soong_config_var_value,ANDROID,release_avf_enable_vendor_modules,$(RELEASE_AVF_ENABLE_VENDOR_MODULES))
 $(call add_soong_config_var_value,ANDROID,release_avf_enable_virt_cpufreq,$(RELEASE_AVF_ENABLE_VIRT_CPUFREQ))
+$(call add_soong_config_var_value,ANDROID,release_avf_microdroid_kernel_version,$(RELEASE_AVF_MICRODROID_KERNEL_VERSION))
 
 $(call add_soong_config_var_value,ANDROID,release_binder_death_recipient_weak_from_jni,$(RELEASE_BINDER_DEATH_RECIPIENT_WEAK_FROM_JNI))