Allow processes in the "system" group to read /metadata/ota. am: a71faae86f am: f0c99ee9c7 am: bac6593a1e am: 6d615af7f2

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2656857

Change-Id: I46e30d72dd12310949d281b1707f382f56703068
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 2f63d6a..1a0a35f 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -624,8 +624,8 @@
     chmod 0700 /metadata/vold
     mkdir /metadata/password_slots 0771 root system
     mkdir /metadata/bootstat 0750 system log
-    mkdir /metadata/ota 0700 root system
-    mkdir /metadata/ota/snapshots 0700 root system
+    mkdir /metadata/ota 0750 root system
+    mkdir /metadata/ota/snapshots 0750 root system
     mkdir /metadata/userspacereboot 0770 root system
     mkdir /metadata/watchdog 0770 root system