Use index in SparseArray access properly

The original code was calling get() rather than valueAt(),
treating index as if it was a key.

Change-Id: I52539dfcb49b3d2ee3cb027d38c50b46f73b5ee7
Signed-off-by: Igor Chernyshev <igorc@google.com>

core/java/android/os/Bundle.java

@@ -353,7 +353,7 @@ public final class Bundle implements Parcelable, Cloneable {
                         SparseArray<? extends Parcelable> array =
                                 (SparseArray<? extends Parcelable>) obj;
                         for (int n = array.size() - 1; n >= 0; n--) {
-                            if ((array.get(n).describeContents()
+                            if ((array.valueAt(n).describeContents()
                                     & Parcelable.CONTENTS_FILE_DESCRIPTOR) != 0) {
                                 fdFound = true;
                                 break;