drivers: staging: android: split uapi out of android_alarm.h

Move the userspace interface of android_alarm.h to
drivers/staging/android/uapi/android_alarm.h

Change-Id: Ieb96e8e9bf742786efc4e248e6a242dab8199ca3
Signed-off-by: Colin Cross <ccross@android.com>
Git-commit: 5be5f3a069efeafebf6a47876e02ddf6ec02eda0
Git-Repo: https://android.googlesource.com/kernel/common.git


[imaund@codeaurora.org: Resolve merge conflicts]
Signed-off-by: Ian Maund <imaund@codeaurora.org>