Allow NNAPI HAL to read tflite_delegate.force_disable_io_coherency flag

The flag was added in ag/21062178.
After this CL, the flag is readable by all apps and all DarwiNN HALs.

Bug: 268548819
Change-Id: I28a185d66002f1656aeb10723c34d5eb517742c4
diff --git a/edgetpu/sepolicy/hal_neuralnetworks_darwinn.te b/edgetpu/sepolicy/hal_neuralnetworks_darwinn.te
index f301a72..02e485c 100644
--- a/edgetpu/sepolicy/hal_neuralnetworks_darwinn.te
+++ b/edgetpu/sepolicy/hal_neuralnetworks_darwinn.te
@@ -51,3 +51,6 @@
 # Allow NNAPI HAL to send trace packets to Perfetto with SELinux enabled
 # under userdebug builds.
 userdebug_or_eng(`perfetto_producer(hal_neuralnetworks_darwinn)')
+
+# Allow NNAPI HAL to read tflite DarwiNN delegate properties
+get_prop(hal_neuralnetworks_darwinn, vendor_tflite_delegate_prop)