audio: update hdmi audio path

Add permission to read HDMI states by audio hal.

For new project is using
/devices/platform/dwc_dptx-audio/extcon/hdmi_audio

For old projects are using
/devices/platform/drmdp-adma/extcon/hdmi_audio

Bug: 328784922
Test: builds
Flag: EXEMPT update sepolocy
Change-Id: I3bd0ccf1ee804de3157e759eac275673c9fc96a2
Signed-off-by: Robert Lee <lerobert@google.com>
diff --git a/audio/hidl_zuma.mk b/audio/hidl_zuma.mk
index 6fb3449..64ad2ba 100644
--- a/audio/hidl_zuma.mk
+++ b/audio/hidl_zuma.mk
@@ -42,7 +42,7 @@
 endif
 
 BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/audio/sepolicy/hidl
-BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/audio/sepolicy/hdmi_audio
+BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/audio/sepolicy/hdmi_audio/drmdp
 
 include device/google/gs-common/audio/common.mk