Fix HALO crashes

Bugfix for Layout < 0 crash which would kill a couple of apps whose
  content was compromised by smaller displays/dpi's.
change "next" to "done" in minute IME option under 24-hour format

We don't need "next" button under 24-hour format any more.
So, we changed from "next" button to "done" in IME option
when setting minute under 24-hour format

AOSP commit: https://android-review.googlesource.com/#/c/54121/3

Change-Id: Ic9b1673248183060ba7279b63648a85dc39ca3b9
Fix incorrect fragment animation used for hiding fragments

Mirror of support lib patch
https://android-review.googlesource.com/#/c/60032/ into
frameworks/base.

AOSP Commit: https://android-review.googlesource.com/#/c/60167/

Change-Id: I8d1cb2e217721336674b8e3e2ef8722a8d9baefd
HALO cleanup

hdpi and mdpi drawables were inconsistent, if you plan to use HALO on
lower res devices you must reproduce them.

Change-Id: I2746837bacd60c3079ace4c7523a68b8cd415f5f