Add label custom_ab_block_device to lksecapp device file

Instead of using default block_device label use specific label to
narrow permissions.

Issue: FP3-A11#198
Issue: FP3-A13#72
Change-Id: Ia572a0e3533fa4b398f002387af6356e74c6a0a7
(cherry picked from commit 45c8d2096ca2e03cffc11608cac6c567792f8ce5)
1 file changed
tree: b1426048dc3cd70f31e8c3955664a40fea1170a8
  1. generic/
  2. legacy/
  3. qva/
  4. SEPolicy.mk