EARC: Add Policy for EArc Service

Test: atest vts_treble_vintf_framework_test
      atest vts_treble_vintf_vendor_test
Bug: 240388105
Change-Id: I561f647a68553fa0134f2e1bd65b0f18dd1785f1
diff --git a/vendor/file_contexts b/vendor/file_contexts
index a8655b0..c5f0d45 100644
--- a/vendor/file_contexts
+++ b/vendor/file_contexts
@@ -100,6 +100,7 @@
 /(vendor|system/vendor)/bin/hw/android\.hardware\.thermal-service\.example       u:object_r:hal_thermal_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.tv\.cec@1\.[01]-service        u:object_r:hal_tv_cec_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.tv\.cec-service             u:object_r:hal_tv_hdmi_cec_default_exec:s0
+/(vendor|system/vendor)/bin/hw/android\.hardware\.tv\.earc-service            u:object_r:hal_tv_earc_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.tv\.hdmi-service            u:object_r:hal_tv_hdmi_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.tv\.input@1\.0-service      u:object_r:hal_tv_input_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.tv\.input-service\.example  u:object_r:hal_tv_input_default_exec:s0