Make Block action contingent on system-wide Blacklist setting

The block action within the call notification will only show
if the user hasn't opted to disable the system-wide Blacklist setting.
Likewise for the Block action within the Glowpad.

Change-Id: I20cf94338711c6c3c9fc5b5b4878661a4e24b1db
6 files changed
tree: 4c41cfb3112253730ce2bd95278fc1e85acbb7f7
  1. res/
  2. src/
  3. tests/
  4. .gitreview
  5. proguard.flags