libtimeinstate: add dependency on libbpf_minimal

With the bcc update, some helpers used in libtimeinstate are now
provided by upstream bcc rather than libbpf_bcc. Update Android.bp
accordingly.

Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: Ia710344b01cbba80a3f7dc8a31d2d037e0255e2f