otp: adds licenses to files that require it #18258

Job	Run time
Event File	2s
Build Erlang/OTP (64-bit)	9m 10s
Build Erlang/OTP (iOS)	3m 40s
Build Erlang/OTP (Windows)	11m 21s
Build Erlang/OTP (32-bit)	9m 50s
Build Erlang/OTP (cross-compile)	13m 54s
Build Erlang/OTP (macOS)	3m 20s
Build Erlang/OTP (clang)	5m 27s
Build Erlang/OTP (Types and Flavors)	8m 1s
Build and check documentation	4m 52s
Run static analysis	5m 56s
Test Erlang/OTP (emulator)	48m 9s
Test Erlang/OTP (debug)	4m 6s
Test Erlang/OTP (asn1)	15m 8s
Test Erlang/OTP (compiler)	9m 50s
Test Erlang/OTP (stdlib)	1h 6m 51s
Release Erlang/OTP	0s
Test Erlang/OTP (system)	7m 47s
	3h 47m 24s

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