diff --git a/java/app_import.go b/java/app_import.go
index a54cf2f..f5d9f3e 100644
--- a/java/app_import.go
+++ b/java/app_import.go
@@ -61,6 +61,9 @@
 func RegisterAppImportBuildComponents(ctx android.RegistrationContext) {
 	ctx.RegisterModuleType("android_app_import", AndroidAppImportFactory)
 	ctx.RegisterModuleType("android_test_import", AndroidTestImportFactory)
+	ctx.PreArchMutators(func(ctx android.RegisterMutatorsContext) {
+		ctx.BottomUp("disable_prebuilts_without_apk", disablePrebuiltsWithoutApkMutator)
+	})
 }
 
 type AndroidAppImport struct {
@@ -90,7 +93,7 @@
 
 type AndroidAppImportProperties struct {
 	// A prebuilt apk to import
-	Apk *string `android:"path"`
+	Apk proptools.Configurable[string] `android:"path,replace_instead_of_append"`
 
 	// The name of a certificate in the default certificate directory or an android_app_certificate
 	// module name in the form ":module". Should be empty if presigned or default_dev_cert is set.
@@ -193,13 +196,6 @@
 			}
 		}
 	}
-
-	if String(a.properties.Apk) == "" {
-		// Disable this module since the apk property is still empty after processing all matching
-		// variants. This likely means there is no matching variant, and the default variant doesn't
-		// have an apk property value either.
-		a.Disable()
-	}
 }
 
 func MergePropertiesFromVariant(ctx android.EarlyModuleContext,
@@ -219,6 +215,30 @@
 	}
 }
 
+// disablePrebuiltsWithoutApkMutator is a pre-arch mutator that disables AndroidAppImport or
+// AndroidTestImport modules that don't have an apk set. We need this separate mutator instead
+// of doing it in processVariants because processVariants is a defaultable hook, and configurable
+// properties can only be evaluated after the defaults (and eventually, base configurabtion)
+// mutators.
+func disablePrebuiltsWithoutApkMutator(ctx android.BottomUpMutatorContext) {
+	switch a := ctx.Module().(type) {
+	case *AndroidAppImport:
+		if a.properties.Apk.GetOrDefault(ctx, "") == "" {
+			// Disable this module since the apk property is still empty after processing all
+			// matching variants. This likely means there is no matching variant, and the default
+			// variant doesn't have an apk property value either.
+			a.Disable()
+		}
+	case *AndroidTestImport:
+		if a.properties.Apk.GetOrDefault(ctx, "") == "" {
+			// Disable this module since the apk property is still empty after processing all
+			// matching variants. This likely means there is no matching variant, and the default
+			// variant doesn't have an apk property value either.
+			a.Disable()
+		}
+	}
+}
+
 func (a *AndroidAppImport) DepsMutator(ctx android.BottomUpMutatorContext) {
 	cert := android.SrcIsModule(String(a.properties.Certificate))
 	if cert != "" {
@@ -409,7 +429,7 @@
 
 	if apexInfo.IsForPlatform() {
 		a.installPath = ctx.InstallFile(installDir, apkFilename, a.outputFile)
-		artifactPath := android.PathForModuleSrc(ctx, *a.properties.Apk)
+		artifactPath := android.PathForModuleSrc(ctx, a.properties.Apk.GetOrDefault(ctx, ""))
 		a.provenanceMetaDataFile = provenance.GenerateArtifactProvenanceMetaData(ctx, artifactPath, a.installPath)
 	}
 
@@ -633,7 +653,7 @@
 	android.InitApexModule(module)
 	android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
 	android.InitDefaultableModule(module)
-	android.InitSingleSourcePrebuiltModule(module, &module.properties, "Apk")
+	android.InitConfigurablePrebuiltModuleString(module, &module.properties.Apk, "Apk")
 
 	module.usesLibrary.enforce = true
 
@@ -686,7 +706,7 @@
 	android.InitApexModule(module)
 	android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
 	android.InitDefaultableModule(module)
-	android.InitSingleSourcePrebuiltModule(module, &module.properties, "Apk")
+	android.InitConfigurablePrebuiltModuleString(module, &module.properties.Apk, "Apk")
 
 	return module
 }