Remove cpu controller usage in P21

To avoid lock contention, removing cpu controller usage completely for
p21.

Bug: 208895940
Test: Build
Signed-off-by: Wei Wang <wvw@google.com>
Merged-In: I80fdd7301d23243ac8e4b2e633cc1e16283227ea
Change-Id: I80fdd7301d23243ac8e4b2e633cc1e16283227ea
1 file changed