Disable call blocking after emergency call.

Will be disabled for 48 hours after an emergency call.

+ Add utility for noting last time of an emergency call.
+ Add utility for comparing current time to last time of an
emergency call.
+ If current time is within 48 hours of emergency call, display
text in settings explaining why call blocking is disabled.

Bug: 24418319
Change-Id: I6824340f04fae17b73f17843a9f6ef991afa0327
6 files changed
tree: 19fc0265d0051bac31730dd50abdf804c7238e05
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags