Use libbitflags-1.3.2

This updates Android.bp to still use the old version of libbitflags instead
of the most recent version. Also add a patch file for Android.bp which
ensures version 1.3.2 is still used after an update.

Test: Build
Change-Id: I505fc05afa9c9a16c60e2504caadc450bbf604f9
2 files changed