adbd: don't require authentication for userdebug/eng builds.

By default, the build system only sets ro.adb.secure (to 1) when
building user builds.

Bug: http://b/73993211
Bug: http://b/74059119
Test: treehugger
Change-Id: I2a683257c1027394ded90c8d2634def6003e0525
1 file changed