Enable bp2build for cc modules relying on sysprop

Bug: 244439349
Test: m bp2build
Test: Inspect BUILD.bazel files
Test: Unit tests
Change-Id: I85bfb9fa69cb3f96b15bdbeb797dba86b3349804

cc/sysprop.go

@@ -0,0 +1,71 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// 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 cc
+
+import (
+	"android/soong/android"
+	"android/soong/bazel"
+)
+
+// TODO(b/240463568): Additional properties will be added for API validation
+type bazelSyspropLibraryAttributes struct {
+	Srcs bazel.LabelListAttribute
+}
+
+type bazelCcSyspropLibraryAttributes struct {
+	Dep             bazel.LabelAttribute
+	Min_sdk_version *string
+}
+
+type SyspropLibraryLabels struct {
+	SyspropLibraryLabel string
+	SharedLibraryLabel  string
+	StaticLibraryLabel  string
+}
+
+func Bp2buildSysprop(ctx android.Bp2buildMutatorContext, labels SyspropLibraryLabels, srcs bazel.LabelListAttribute, minSdkVersion *string) {
+	ctx.CreateBazelTargetModule(
+		bazel.BazelTargetModuleProperties{
+			Rule_class:        "sysprop_library",
+			Bzl_load_location: "//build/bazel/rules/sysprop:sysprop_library.bzl",
+		},
+		android.CommonAttributes{Name: labels.SyspropLibraryLabel},
+		&bazelSyspropLibraryAttributes{
+			Srcs: srcs,
+		})
+
+	attrs := &bazelCcSyspropLibraryAttributes{
+		Dep:             *bazel.MakeLabelAttribute(":" + labels.SyspropLibraryLabel),
+		Min_sdk_version: minSdkVersion,
+	}
+
+	if labels.SharedLibraryLabel != "" {
+		ctx.CreateBazelTargetModule(
+			bazel.BazelTargetModuleProperties{
+				Rule_class:        "cc_sysprop_library_shared",
+				Bzl_load_location: "//build/bazel/rules/cc:cc_sysprop_library.bzl",
+			},
+			android.CommonAttributes{Name: labels.SharedLibraryLabel},
+			attrs)
+	}
+
+	ctx.CreateBazelTargetModule(
+		bazel.BazelTargetModuleProperties{
+			Rule_class:        "cc_sysprop_library_static",
+			Bzl_load_location: "//build/bazel/rules/cc:cc_sysprop_library.bzl",
+		},
+		android.CommonAttributes{Name: labels.StaticLibraryLabel},
+		attrs)
+}