allow Thermal hal to send hint to PerfMgr

Bug: 162791243
Bug: 72471476
Test: build and using emul temp/running burn8 to verify it
Change-Id: I634ed334e90d2995a2be12b071117174de0b758d
(cherry picked from commit 9c4fb17d28036e92ff56f7ddb1ff366148a78946)
1 file changed