am 8cd5592c: am bce05d91: am 45e56fd5: cherypick from mr2: Ib7e08e719b6b9c9b1e8116e6e2a77611f046b276 Switch APK signing from MD5WithRSA to SHA1WithRSA.
* commit '8cd5592c':
cherypick from mr2: Ib7e08e719b6b9c9b1e8116e6e2a77611f046b276 Switch APK signing from MD5WithRSA to SHA1WithRSA.