Move bazel.Properties to a BazelModuleBase

This allows more direct access to the bazel label and whether the module
is bp2build available.

Test: go test *
Change-Id: I23375835d20fa53d7d94127b2dc2d5bb20487bfb

android/bazel.go

@@ -0,0 +1,57 @@
+// Copyright 2021 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package android
+
+import "android/soong/bazel"
+
+// BazelModuleBase contains the property structs with metadata for modules which can be converted to
+// Bazel.
+type BazelModuleBase struct {
+	bazelProperties bazel.Properties
+}
+
+// Bazelable is specifies the interface for modules that can be converted to Bazel.
+type Bazelable interface {
+	bazelProps() *bazel.Properties
+	GetBazelLabel() string
+	ConvertWithBp2build() bool
+}
+
+// BazelModule is a lightweight wrapper interface around Module for Bazel-convertible modules.
+type BazelModule interface {
+	Module
+	Bazelable
+}
+
+// InitBazelModule is a wrapper function that decorates a BazelModule with Bazel-conversion
+// properties.
+func InitBazelModule(module BazelModule) {
+	module.AddProperties(module.bazelProps())
+}
+
+// bazelProps returns the Bazel properties for the given BazelModuleBase.
+func (b *BazelModuleBase) bazelProps() *bazel.Properties {
+	return &b.bazelProperties
+}
+
+// GetBazelLabel returns the Bazel label for the given BazelModuleBase.
+func (b *BazelModuleBase) GetBazelLabel() string {
+	return b.bazelProperties.Bazel_module.Label
+}
+
+// ConvertWithBp2build returns whether the given BazelModuleBase should be converted with bp2build.
+func (b *BazelModuleBase) ConvertWithBp2build() bool {
+	return b.bazelProperties.Bazel_module.Bp2build_available
+}