Handle license conversions in androidmk

1. Support license conversions in the androidmk tool. More details can be
found at go/license-androidmk;
2. As usage examples, locally this functionality has been applied to
aosp/1881088 and aosp/1869664;

Bug: 202964622
Test: m androidmk
Test: manually ran androidmk <typical Android.mk files>
Test: TreeHugger
Change-Id: I7d5013d25ad8961e997109d0378f20f5085e0ecf

androidmk/androidmk/android.go

@@ -58,6 +58,7 @@ var rewriteProperties = map[string](func(variableAssignmentContext) error){
 	"LOCAL_MODULE_STEM":                    stem,
 	"LOCAL_MODULE_HOST_OS":                 hostOs,
 	"LOCAL_RESOURCE_DIR":                   localizePathList("resource_dirs"),
+	"LOCAL_NOTICE_FILE":                    localizePathList("android_license_files"),
 	"LOCAL_SANITIZE":                       sanitize(""),
 	"LOCAL_SANITIZE_DIAG":                  sanitize("diag."),
 	"LOCAL_STRIP_MODULE":                   strip(),
@@ -111,7 +112,6 @@ func init() {
 			"LOCAL_PROTOC_OPTIMIZE_TYPE":    "proto.type",
 			"LOCAL_MODULE_OWNER":            "owner",
 			"LOCAL_RENDERSCRIPT_TARGET_API": "renderscript.target_api",
-			"LOCAL_NOTICE_FILE":             "notice",
 			"LOCAL_JAVA_LANGUAGE_VERSION":   "java_version",
 			"LOCAL_INSTRUMENTATION_FOR":     "instrumentation_for",
 			"LOCAL_MANIFEST_FILE":           "manifest",
@@ -185,6 +185,12 @@ func init() {
 			"LOCAL_JACK_COVERAGE_EXCLUDE_FILTER": "jacoco.exclude_filter",
 
 			"LOCAL_FULL_LIBS_MANIFEST_FILES": "additional_manifests",
+
+			// will be rewrite later to "license_kinds:" by byfix
+			"LOCAL_LICENSE_KINDS": "android_license_kinds",
+			// will be removed later by byfix
+			// TODO: does this property matter in the license module?
+			"LOCAL_LICENSE_CONDITIONS": "android_license_conditions",
 		})
 
 	addStandardProperties(bpparser.BoolType,

androidmk/androidmk/androidmk_test.go

@@ -1516,7 +1516,8 @@ android_app {
     ],
 }
 `,
-	}, {
+	},
+	{
 		desc: "Obsolete LOCAL_MODULE_PATH",
 		in: `
 include $(CLEAR_VARS)
@@ -1532,7 +1533,37 @@ android_app {
   name: "foo",
 
 }
-`},
+`,
+	},
+	{
+		desc: "LOCAL_LICENSE_KINDS, LOCAL_LICENSE_CONDITIONS, LOCAL_NOTICE_FILE",
+		// TODO(b/205615944): When valid "android_license_files" exists, the test requires an Android.mk
+		// file (and an Android.bp file is required as well if the license files locates outside the current
+		// directory). So plan to use a mock file system to mock the Android.mk and Android.bp files.
+		in: `
+include $(CLEAR_VARS)
+LOCAL_MODULE := foo
+LOCAL_LICENSE_KINDS := license_kind
+LOCAL_LICENSE_CONDITIONS := license_condition
+LOCAL_NOTICE_FILE := license_notice
+include $(BUILD_PACKAGE)
+`,
+		expected: `
+package {
+    // See: http://go/android-license-faq
+    default_applicable_licenses: [
+	"Android-Apache-2.0",
+    ],
+}
+
+android_app {
+    name: "foo",
+    // ANDROIDMK TRANSLATION ERROR: Only $(LOCAL_PATH)/.. values are allowed
+    // LOCAL_NOTICE_FILE := license_notice
+
+}
+`,
+	},
 }
 
 func TestEndToEnd(t *testing.T) {