Linux

use stricter rules for what filenames are valid on Android #3329

Job	Run time
build (asio-debugging=on picker-debugging=on)	7m 46s
build (extensions=off logging=off streaming=off super-seeding=off share-mode=off predictive-piece...	5m 6s
check headers	2m 31s
build (crypto=gcrypt)	5m 51s
build (mmap-disk-io=off)	6m 51s
clang-tidy	14m 19s
build dist (ubuntu-24.04)	3m 3s
build dist (ubuntu-22.04)	3m 26s
Fuzzers	9m 46s
pre-commit	38s
Simulations	9m 9s
Tests (address-sanitizer=norecover undefined-sanitizer=norecover crypto=openssl)	6m 26s
Tests (toolset=clang logging=off address-sanitizer=norecover undefined-sanitizer=norecover)	11m 33s
Tests (thread-sanitizer=norecover crypto=openssl release debug-symbols=on cxxflags=-Wno-tsan)	6m 53s
Tests (crypto=gnutls)	5m 43s
Tests (deprecated-functions=off)	4m 56s
	1h 43m 57s

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