Merge "Open /dev/urandom in O_CLOEXEC mode" am: e6550d3e98

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/voip/+/1675808

Change-Id: Ia7491507acd01646000cdb9d993b20db15c88506
diff --git a/src/jni/rtp/AudioGroup.cpp b/src/jni/rtp/AudioGroup.cpp
index 5f9cae8..9efd11a 100644
--- a/src/jni/rtp/AudioGroup.cpp
+++ b/src/jni/rtp/AudioGroup.cpp
@@ -1078,7 +1078,7 @@
 
 int registerAudioGroup(JNIEnv *env)
 {
-    gRandom = open("/dev/urandom", O_RDONLY);
+    gRandom = open("/dev/urandom", O_RDONLY | O_CLOEXEC);
     if (gRandom == -1) {
         ALOGE("urandom: %s", strerror(errno));
         return -1;