commit 7f617cbc4d8025d0ff634b4dcd8c5c1be573b841
author Josh Gao <jmgao@google.com> Mon Jun 26 12:16:30 2017 -0700
committer Josh Gao <jmgao@google.com> Thu Jun 29 11:22:55 2017 -0700
tree c34a4fda99e4a3c819136a1b63393c5279a8eb6c
parent 7fa2ef43cd8bc586a2da38285b179963351aa9ac

Revert "adb: turn on libusb by default."

This reverts commit f2f0b318508fec66fc07044b34f602960f399e5b.

libusb seems to be causing flakiness on some machines. Disable it for
now.

Bug: http://b/62962248
Test: python test_device.py (with DeviceOfflineTest commented out)
Change-Id: Ia9de78ab772c22574cf5ca7facb78f22af6d7a71
(cherry picked from commit 969110ca4aa8dd26a8c77f681b19d6f74c11cd93)

transport_usb.cpp

diff --git a/transport_usb.cpp b/transport_usb.cpp
index 47094b8..2f46920 100644
--- a/transport_usb.cpp
+++ b/transport_usb.cpp
@@ -192,7 +192,7 @@
 #if defined(_WIN32) || !ADB_HOST
     return false;
 #else
-    static bool disable = getenv("ADB_LIBUSB") && strcmp(getenv("ADB_LIBUSB"), "0") == 0;
-    return !disable;
+    static bool enable = getenv("ADB_LIBUSB") && strcmp(getenv("ADB_LIBUSB"), "1") == 0;
+    return enable;
 #endif
 }