health: update readme for writing kmesg

Test: none
Bug: 77661605
Change-Id: Iea07a8361e7c23919515d8550d90d2bd329e616a

diff --git a/health/2.0/README b/health/2.0/README
index 49b2b1ebc6dd2304b48228e671809942479ccd05..dc97d43e30664f61b9821332aeb220c715f820dd 100644 (file)
--- a/health/2.0/README
+++ b/health/2.0/README
@@ -53,6 +53,7 @@ service vendor.health-hal-2-0 /vendor/bin/hw/android.hardware.health@2.0-service
     class hal
     user system
     group system
+    file /dev/kmsg w
 
 5. Create device/<manufacturer>/<device>/health/HealthService.cpp: