Convert LOCAL_COMPATIBILITY_SUPPORT_FILES to data: attribute in androidmk

Fixes: 133434805
Test: build executes internal tests
Change-Id: I688672cec640f0113dc06a19a87c097cda60d180
diff --git a/androidmk/cmd/androidmk/android.go b/androidmk/cmd/androidmk/android.go
index b54ad5e..9387b5f 100644
--- a/androidmk/cmd/androidmk/android.go
+++ b/androidmk/cmd/androidmk/android.go
@@ -123,6 +123,7 @@
 			"LOCAL_SYSTEM_SHARED_LIBRARIES":       "system_shared_libs",
 			"LOCAL_ASFLAGS":                       "asflags",
 			"LOCAL_CLANG_ASFLAGS":                 "clang_asflags",
+			"LOCAL_COMPATIBILITY_SUPPORT_FILES":   "data",
 			"LOCAL_CONLYFLAGS":                    "conlyflags",
 			"LOCAL_CPPFLAGS":                      "cppflags",
 			"LOCAL_REQUIRED_MODULES":              "required",
diff --git a/androidmk/cmd/androidmk/androidmk_test.go b/androidmk/cmd/androidmk/androidmk_test.go
index 3ec5f2e..86776ec 100644
--- a/androidmk/cmd/androidmk/androidmk_test.go
+++ b/androidmk/cmd/androidmk/androidmk_test.go
@@ -809,6 +809,7 @@
 LOCAL_PACKAGE_NAME := FooTest
 LOCAL_COMPATIBILITY_SUITE := cts
 LOCAL_CTS_TEST_PACKAGE := foo.bar
+LOCAL_COMPATIBILITY_SUPPORT_FILES := file1
 include $(BUILD_CTS_PACKAGE)
 `,
 		expected: `
@@ -817,6 +818,7 @@
     defaults: ["cts_defaults"],
     test_suites: ["cts"],
 
+    data: ["file1"],
 }
 `,
 	},