Fix temporary directory path in Android.
We should use /data/misc/update_engine/tmp instead of /data/local/tmp.
Bug: 24478450
TEST=Delta update nolonger permission denied.
Change-Id: I9a8096e602320195d30147971def5145bd82d775
diff --git a/common/platform_constants_android.cc b/common/platform_constants_android.cc
index b6084ac..f35d7ef 100644
--- a/common/platform_constants_android.cc
+++ b/common/platform_constants_android.cc
@@ -30,6 +30,7 @@
const char kCACertificatesPath[] = "/system/etc/security/cacerts";
// No deadline file API support on Android.
const char kOmahaResponseDeadlineFile[] = "";
+const char kNonVolatileDirectory[] = "/data/misc/update_engine";
} // namespace constants
} // namespace chromeos_update_engine