Add /proc/uid_time_in_state showing per uid/frequency/cluster times. Allow uid removal through /proc/uid_cputime/remove_uid_range. Signed-off-by: Connor O'Brien <connoro@google.com> Bug: 72339335 Test: Read /proc/uid_time_in_state Change-Id: I20ba3546a27c25b7e7991e2a86986e158aafa58c