Make unix signal-handler signal-safe #15648

Job	Run time
Prepare	7s
Generate relay list	2m 16s
Generate debug keystore	6s
Build native (x86_64, x86_64, x86_64-linux-android)	3m 41s
Run lint and test tasks (testDebugUnitTest -x :test:arch:testDebugUnitTest :app:testOssProdDebugU...	6m 40s
Build native (i686, x86, i686-linux-android)	3m 32s
Run lint and test tasks (:test:arch:test --rerun-tasks)	4m 31s
Build native (aarch64, arm64-v8a, aarch64-linux-android)	3m 45s
Run lint and test tasks (detekt)	5m 57s
Build native (armv7, armeabi-v7a, armv7-linux-androideabi)	3m 43s
Run lint and test tasks (lint)	8m 13s
Build instrumented test packages (app, assembleOssProdAndroidTest, android/app/build/outputs/apk)	8m 11s
Build app	13m 58s
Build instrumented test packages (mockapi, :test:mockapi:assemble, android/test/mockapi/build/out...	6m 54s
Build instrumented test packages (e2e, :test:e2e:assemble, android/test/e2e/build/outputs/apk)	7m 49s
Run instrumented tests (app, android/app/build/outputs/apk, 1)	3m 40s
Run instrumented e2e tests	0s
Run instrumented tests (mockapi, android/test/mockapi/build/outputs/apk, 1)	2m 34s
Run firebase tests	0s
	1h 25m 37s

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