[ALPS03852480] add sepolicy for mediacodec getattr proc_thermal

[Detail]
Add sepolicy for mediacodec since SW decoder would control CPU freq and will need to getattr proc_thermal

MTK-Commit-Id: 5ce3aa68771bdb3af46a43b1c3455d365256c99c

Change-Id: I4ca98c4ae7b06e616e19f582190826beec490a04
CR-Id: ALPS03852480
Feature: VP9 Decoder
(cherry picked from commit f173ea13c62696f30465a4cb23061e1512c0ae1f)
1 file changed
tree: 83bfb56997f2a2bd95b8d7fab924c7a4b55659c2
  1. non_plat/
  2. plat_private/
  3. plat_public/
  4. prebuilts/
  5. private/