Revert^2 "Add more access for GCA to edgetpu"

This reverts commit 84d3523c6c9d6f0e9ae3d918871eed6e12c6c506.

Reason for revert: Remerge attempt after fixing build error.

Bug: 361092857
Test: manual test with GCA for permissions
Flag: EXEMPT add permissions

11-06 03:01:49.736   719   719 W binder:719_3: type=1400 audit(0.0:710): avc:  denied  { read write } for  path="/dev/edgetpu-soc" dev="tmpfs" ino=1542 scontext=u:r:google_camera_app:s0:c155,c256,c512,c768 tcontext=u:object_r:edgetpu_device:s0 tclass=chr_file permissive=0

Change-Id: I89ec01928edc4fcb4832d2da84c442354a65c25c
diff --git a/gcam_app/sepolicy/vendor/google_camera_app.te b/gcam_app/sepolicy/vendor/google_camera_app.te
index 3f5a0ec..a1c3ddb 100644
--- a/gcam_app/sepolicy/vendor/google_camera_app.te
+++ b/gcam_app/sepolicy/vendor/google_camera_app.te
@@ -6,7 +6,7 @@
 
 # Allows GCA to find and access the EdgeTPU.
 allow google_camera_app edgetpu_app_service:service_manager find;
-allow google_camera_app edgetpu_device:chr_file { ioctl };
+allow google_camera_app edgetpu_device:chr_file { read write ioctl };
 
 # Allows GCA to access the hw_jpeg /dev/video12.
 #allow google_camera_app hw_jpg_device:chr_file rw_file_perms;