Don't canonicalize app paths in system.

The provider isn't in the requesting app's sandbox, so it's unlikely
that we can canonicalize the path.

Bug: 128383017
Test: none
Change-Id: I689ebb44e4c5d7f579ec998ff7333ee9b8d46542
(cherry picked from commit b099a65974b787f66450592780ffe42cb08911e8)
diff --git a/src/com/android/providers/downloads/DownloadProvider.java b/src/com/android/providers/downloads/DownloadProvider.java
index db1f7cf..acc814c 100644
--- a/src/com/android/providers/downloads/DownloadProvider.java
+++ b/src/com/android/providers/downloads/DownloadProvider.java
@@ -929,14 +929,10 @@
         if (fileUri != null) {
             path = fileUri.getPath();
         }
-        try {
-            final File app = new File(path).getCanonicalFile();
-            final File system = mStorageManager.translateAppToSystem(app, pid, uid);
-            // If the input was file uri, we need to return a file uri
-            return fileUri == null ? system.getPath() : Uri.fromFile(system).toString();
-        } catch (IOException e) {
-            throw new IllegalArgumentException(e);
-        }
+        final File app = new File(path);
+        final File system = mStorageManager.translateAppToSystem(app, pid, uid);
+        // If the input was file uri, we need to return a file uri
+        return fileUri == null ? system.getPath() : Uri.fromFile(system).toString();
     }
 
     private @Nullable String translateSystemToApp(@Nullable String path, int pid, int uid) {