Make java_library_static uninstallable by default

Static libraries are not dexed and are not installable on a
device.

Test: m -j checkbuild
Change-Id: Iea01df381e6c8cf2439fdb87200895db6aac99e2
diff --git a/java/java.go b/java/java.go
index 93ab547..1ca3928 100644
--- a/java/java.go
+++ b/java/java.go
@@ -35,8 +35,8 @@
 func init() {
 	android.RegisterModuleType("java_defaults", defaultsFactory)
 
-	android.RegisterModuleType("java_library", LibraryFactory)
-	android.RegisterModuleType("java_library_static", LibraryFactory)
+	android.RegisterModuleType("java_library", LibraryFactory(true))
+	android.RegisterModuleType("java_library_static", LibraryFactory(false))
 	android.RegisterModuleType("java_library_host", LibraryHostFactory)
 	android.RegisterModuleType("java_binary", BinaryFactory)
 	android.RegisterModuleType("java_binary_host", BinaryHostFactory)
@@ -605,17 +605,22 @@
 	j.deps(ctx)
 }
 
-func LibraryFactory() android.Module {
-	module := &Library{}
+func LibraryFactory(installable bool) func() android.Module {
+	return func() android.Module {
+		module := &Library{}
 
-	module.deviceProperties.Dex = true
+		if !installable {
+			module.properties.Installable = proptools.BoolPtr(false)
+		}
+		module.deviceProperties.Dex = true
 
-	module.AddProperties(
-		&module.Module.properties,
-		&module.Module.deviceProperties)
+		module.AddProperties(
+			&module.Module.properties,
+			&module.Module.deviceProperties)
 
-	InitJavaModule(module, android.HostAndDeviceSupported)
-	return module
+		InitJavaModule(module, android.HostAndDeviceSupported)
+		return module
+	}
 }
 
 func LibraryHostFactory() android.Module {