Revert "sepolicy: thermal: move thermal makefile"

Revert submission 24269757-thermal-sepolicy

Reason for revert: b/297279327 build breakage

Reverted changes: /q/submissionid:24269757-thermal-sepolicy

Change-Id: I74437b2eed80b72280baf7a9140ab9f493709ce9
diff --git a/thermal/thermal.mk b/thermal/thermal.mk
new file mode 100644
index 0000000..03b1dfa
--- /dev/null
+++ b/thermal/thermal.mk
@@ -0,0 +1,3 @@
+BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/thermal/sepolicy/dump
+
+PRODUCT_PACKAGES += dump/dump_thermal.sh