ANDROID: GKI: Fix ABI diff for struct thermal_cooling_device_ops

Adds members set/get_min_state() to struct
thermal_cooling_device_ops.

Also adds the field min_state_throttle to struct thermal_governor.

Test: build
Bug: 149945768
Change-Id: I085feb9d3b818dcf9754f0f624166c360593bce6
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>
(cherry picked from commit 8a12149c264c7b871932ad90f76e5981452bb4bb)
[hridya: cherry-picked only the ABI diff]
Signed-off-by: Hridya Valsaraju <hridya@google.com>