Add support for the Onyx Boox Note Air 5C

[pjay-io]

I tested the Onyx ADB frontlight controls and the Onyx/Qualcomm E-ink refresh successfully with the compatibility tester.

Content of test.log:

Device info:
Manufacturer: onyx
Brand: onyx
Model: noteair5c
Device: noteair5c
Product: noteair5c
Hardware: qcom
Platform: lito


Test logs:
01-08 22:32:17.439 I/Lights  ( 6212): Using Generic driver
01-08 22:32:17.443 E/EPD     ( 6212): java.lang.ClassNotFoundException: android.view.View$EINK_MODE
01-08 22:32:17.444 I/TolinoNtxController( 6212): loading libioctl
01-08 22:32:17.445 D/nativeloader( 6212): Load /data/app/~~PQGBM3zq1OY54P0sd4OogQ==/org.koreader.launcher-dgl5Vwjr2uS8aJIg2VzsHg==/lib/arm64/libioctl.so using ns clns-7 from class loader (caller=/data/app/~~PQGBM3zq1OY54P0sd4OogQ==/org.koreader.launcher-dgl5Vwjr2uS8aJIg2VzsHg==/base.apk): ok
01-08 22:32:17.445 I/TolinoNtxNoWarmthController( 6212): loading libioctl
01-08 22:32:17.460 V/ActivityThread( 6212): reportTopResumedActivityChanged - > onActivityTopResumed
01-08 22:32:17.461 D/VRI[MainActivity]( 6212): visibilityChanged oldVisibility=true newVisibility=false
01-08 22:32:17.461 V/NativeGlue( 6212): NativeWindowDestroyed: 0xb4000079c1be00f0 -- 0xb4000078d1bae4c0
01-08 22:32:17.461 V/KOReader( 6212): input event => type: 4 (EV_MSC), code: 2 (nil), value: 1, time: 141944.535507
01-08 22:32:17.462 V/KOReader( 6212): Android application event 2
01-08 22:32:17.464 V/NativeGlue( 6212): Stop: 0xb4000079c1be00f0
01-08 22:32:17.464 V/KOReader( 6212): input event => type: 4 (EV_MSC), code: 14 (nil), value: 1, time: 141944.538727
01-08 22:32:17.464 V/KOReader( 6212): Android application event 14
01-08 22:32:17.464 V/NativeGlue( 6212): SaveInstanceState: 0xb4000079c1be00f0
01-08 22:32:17.465 V/KOReader( 6212): input event => type: 4 (EV_MSC), code: 12 (nil), value: 1, time: 141944.539062
01-08 22:32:17.465 V/KOReader( 6212): Android application event 12
01-08 22:32:17.521 W/libc    ( 6212): Access denied finding property "vendor.display.enable_optimal_refresh_rate"
01-08 22:32:17.516 W/reader.launcher( 6212): type=1400 audit(0.0:152448): avc:  denied  { read } for  name="u:object_r:vendor_display_prop:s0" dev="tmpfs" ino=9737 scontext=u:r:untrusted_app_30:s0:c131,c256,c512,c768 tcontext=u:object_r:vendor_display_prop:s0 tclass=file permissive=0 app=org.koreader.launcher
01-08 22:32:17.586 V/NativeGlue( 6212): WindowFocusChanged: 0xb4000079c1be00f0 -- 0
01-08 22:32:17.588 V/KOReader( 6212): input event => type: 4 (EV_MSC), code: 7 (nil), value: 1, time: 141944.662769
01-08 22:32:17.588 V/KOReader( 6212): Android application event 7

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This change is 

[pjay-io]

Don't mind the force pushes, I needed to update the e-mail address in the commit :)