Merge "adbd: support ro.adb.nonblocking_ffs."
am: affe351420

Change-Id: Ib8bd70545cbb5acbf4ed9d1f3272b9e0fa8a421b
diff --git a/adb/daemon/usb.cpp b/adb/daemon/usb.cpp
index d07a007..b42236e 100644
--- a/adb/daemon/usb.cpp
+++ b/adb/daemon/usb.cpp
@@ -640,7 +640,10 @@
 }
 
 void usb_init() {
-    bool use_nonblocking = android::base::GetBoolProperty("persist.adb.nonblocking_ffs", true);
+    bool use_nonblocking = android::base::GetBoolProperty(
+            "persist.adb.nonblocking_ffs",
+            android::base::GetBoolProperty("ro.adb.nonblocking_ffs", true));
+
     if (use_nonblocking) {
         std::thread(usb_ffs_open_thread).detach();
     } else {