Remove Android.mk rules for building bootctrl. am: 7bde6868ff am: 308431ceb7
am: cf2985d914

Change-Id: I65b765e0c382f6c377a98e2b56703c94cf799c59
tree: 96cca2d3a244892f9167aa4396069ea6fa2d3431
  1. Android.bp
  2. boot_control.cpp
  3. NOTICE