Make the java static_libs property configurable

Bug: 362579941
Test: m nothing --no-skip-soong-tests
Change-Id: Iccc93cf14753aae1adb26c6eedd00aabf1c2f6a6
diff --git a/java/aar.go b/java/aar.go
index 42866f8..0639e64 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -970,7 +970,7 @@
 	// Defaults to sdk_version if not set. See sdk_version for possible values.
 	Min_sdk_version *string
 	// List of java static libraries that the included ARR (android library prebuilts) has dependencies to.
-	Static_libs []string
+	Static_libs proptools.Configurable[[]string]
 	// List of java libraries that the included ARR (android library prebuilts) has dependencies to.
 	Libs []string
 	// If set to true, run Jetifier against .aar file. Defaults to false.
@@ -1100,7 +1100,7 @@
 	}
 
 	ctx.AddVariationDependencies(nil, libTag, a.properties.Libs...)
-	ctx.AddVariationDependencies(nil, staticLibTag, a.properties.Static_libs...)
+	ctx.AddVariationDependencies(nil, staticLibTag, a.properties.Static_libs.GetOrDefault(ctx, nil)...)
 
 	a.usesLibrary.deps(ctx, false)
 }