Fix build after libchrome uprev.

path() has been renamed to GetPath() in ScopedTempDir.

Bug: 70598154
Test: mma
Change-Id: I47e28dbcd450016c2d4f36084084b204ed9147bf
(cherry picked from commit 7c6620f9ca03cb1c4c477e60743d58d078574b3f)
diff --git a/image_properties_android_unittest.cc b/image_properties_android_unittest.cc
index 9bbb8b0..7327554 100644
--- a/image_properties_android_unittest.cc
+++ b/image_properties_android_unittest.cc
@@ -36,9 +36,9 @@
   void SetUp() override {
     // Create a uniquely named test directory.
     ASSERT_TRUE(tempdir_.CreateUniqueTempDir());
-    osrelease_dir_ = tempdir_.path().Append("etc/os-release.d");
+    osrelease_dir_ = tempdir_.GetPath().Append("etc/os-release.d");
     EXPECT_TRUE(base::CreateDirectory(osrelease_dir_));
-    test::SetImagePropertiesRootPrefix(tempdir_.path().value().c_str());
+    test::SetImagePropertiesRootPrefix(tempdir_.GetPath().value().c_str());
   }
 
   void WriteOsRelease(const string& key, const string& value) {