Enable bpfmt repo hook

Enable the bpfmt hook to automatically format Android.bp files. Fix
current Blueprint files.

This change has been generated using:
  $ find . -name Android.bp -exec bpfmt -w {} \;

Test: cd system/extras; mm
Change-Id: I4c6cc60a1afc13783c3da751291325b7160d52b3
9 files changed