PIE: New animations, styles, snappoints, reorientation bug fix (from PA)

https://github.com/ParanoidAndroid/android_frameworks_base/commit/6129b01b695fb6bf6423caf82f1a08765a81988d

https://github.com/ParanoidAndroid/android_frameworks_base/commit/3e9c9e2639ae12364bbde8d7d519a65af7449f61

https://github.com/ParanoidAndroid/android_frameworks_base/commit/cc8bdbc1964d611278c1a2b76d63d6e1e9d397a4

PS3:  Whitespace cleanup

Change-Id: I64e11ed2fdb38cba6cae31a397c8d2a961d3cd09