uncrypt: Support file level encryption.

Bug: 22534003
Change-Id: Iaf42a6e5b40cfef904de66e212ae8b77b2953ef7
diff --git a/uncrypt/uncrypt.cpp b/uncrypt/uncrypt.cpp
index 1db3013..46da86d 100644
--- a/uncrypt/uncrypt.cpp
+++ b/uncrypt/uncrypt.cpp
@@ -144,7 +144,7 @@
             (path[len] == '/' || path[len] == 0)) {
             *encrypted = false;
             *encryptable = false;
-            if (fs_mgr_is_encryptable(v)) {
+            if (fs_mgr_is_encryptable(v) || fs_mgr_is_file_encrypted(v)) {
                 *encryptable = true;
                 char buffer[PROPERTY_VALUE_MAX+1];
                 if (property_get("ro.crypto.state", buffer, "") &&