Invalid header field value for "X-Lantern-Device-Id"

[atavism]

DEBUG flashlight.proxied: proxied.go:328 Chained request to http://api.getiantem.org/user-create failed [http_method=POST http_proto=HTTP/1.1 op=dualfetcher origin_port=80 parallel=false proxy_type=chained root_op=chainedandfronted]
ERROR flashlight.proxied: proxied.go:380 Chained failed, trying fronted: net/http: invalid header field value for "X-Lantern-Device-Id" [error=Chained failed, trying fronted: %v error_location=github.com/getlantern/flashlight/v7/proxied.(*dualFetcher).do (proxied.go:380) error_text=Chained failed, trying fronted: net/http: invalid header field value for "X-Lantern-Device-Id" error_type=errors.Error http_method=POST http_proto=HTTP/1.1 op=dualfetcher origin_port=80 parallel=false proxy_type=chained root_op=chainedandfronted]
ERROR flashlight.proxied: proxied.go:380   at github.com/getlantern/flashlight/v7/proxied.(*dualFetcher).do (proxied.go:380)
ERROR flashlight.proxied: proxied.go:380   at github.com/getlantern/flashlight/v7/proxied.(*dualFetcher).RoundTrip (proxied.go:237)
ERROR flashlight.proxied: proxied.go:380   at github.com/getlantern/flashlight/v7/proxied.(*chainedAndFronted).RoundTrip (proxied.go:185)
ERROR flashlight.proxied: proxied.go:380   at github.com/getlantern/flashlight/v7/proxied.ParallelForIdempotent.func1 (proxied.go:125)
ERROR flashlight.proxied: proxied.go:380   at github.com/getlantern/flashlight/v7/proxied.(*rt).RoundTrip (proxied.go:538)
ERROR flashlight.proxied: proxied.go:380   at net/http.send (client.go:259)
ERROR flashlight.proxied: proxied.go:380   at net/http.(*Client).send (client.go:180)
ERROR flashlight.proxied: proxied.go:380   at net/http.(*Client).do (client.go:724)
ERROR flashlight.proxied: proxied.go:380   at net/http.(*Client).Do (client.go:590)

• Trims space around deviceID when setting it from lantern secrets in the home directory
• Consolidate settings with app package
• Update flashlight and some other dependencies

[atavism]

I did some testing, and these updates work well with both proxied.ChainedNonPersistent and proxied. ParallelForIdempotent

[atavism]

@jigar-f I guess we need to downgrade Go again to support Android, but for the time being could you please take a look? Thank you!

[jigar-f]

@atavism Just a couple of comments and just pushed changes for downgrade to go

[atavism]

@jigar-f thanks for the review!