Added patch to the README and android.patches.

(cherry picked from commit 089355c44e80af84267f0ab3e5369416bfd2d4cf)

Bug: http://code.google.com/p/android/issues/detail?id=35547
Change-Id: I58b9e8c258256194ab848c52a29fd270f8f9ad97
Fix cert blacklisting by public key

Previously, public keys were compared to the blacklisted keys
by a HashSet.compare(), which compares by reference. This replaces
that with the correct Arrays.equals check.

(cherry picked from commit ea82c4ad99e7fa267c4bfa05f6f8312f85ceb8ce)

Bug: http://code.google.com/p/android/issues/detail?id=35547
Change-Id: Ic6318c6e4afb030ac96eb0ba305cbe486e157198
Merge android-4.1.2_r1