While testing bug 1086712 with a user build, I discovered that you couldn't turn adb on at all (even when trying to from the the settings app).
It turns out on the nexus4/5 that they don't use mass_storage, so the default persist.sys.usb.config in a user build is set to "none" which the code didn't deal with properly.
Created attachment 8519354 [details] [diff] [review] Treat none in persist.sys.udb.config as the empty string
Attachment #8519354 - Flags: review?(fabrice)
Attachment #8519354 - Flags: review?(fabrice) → review+
Status: NEW → RESOLVED
Last Resolved: 3 years ago
Resolution: --- → FIXED
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