Add navigator.hardwareConcurrency support for linux. #15017

Job	Run time
android-arm64 / initialize	49s
android-arm / initialize	42s
android-x86 / initialize	47s
android-arm / docker-build-image	1m 40s
android-arm / docker-unittest-image	0s
android-x86 / docker-build-image	1m 41s
android-x86 / docker-unittest-image	0s
android-arm64 / docker-build-image	1m 37s
android-arm64 / docker-unittest-image	0s
android-arm / arm_devel	16m 31s
android-arm / arm_debug	16m 41s
android-arm / arm_qa	9m 29s
android-arm / arm_gold	9m 15s
android-arm64 / arm64_devel	16m 12s
android-arm64 / arm64_debug	16m 27s
android-arm64 / arm64_qa	9m 20s
android-arm64 / arm64_gold	9m 6s
android-x86 / x86_devel	17m 3s
android-x86 / x86_debug	16m 27s
android-x86 / x86_qa	9m 9s
android-x86 / x86_gold	9m 54s
android-arm / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
android-arm64 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm64 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
android-x86 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-x86 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
upload-release-artifacts	15s
	2h 43m 5s

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