Ensure QuicChromiumPacketWriter isn't still tracked when deleted. #1818

Job	Run time
android-arm64 / initialize	44s
android-x86 / initialize	46s
android-arm / initialize	42s
android-arm / docker-build-image	3m 13s
android-arm / docker-unittest-image	0s
android-arm64 / docker-build-image	3m 1s
android-arm64 / docker-unittest-image	0s
android-x86 / docker-build-image	3m 33s
android-x86 / docker-unittest-image	0s
android-arm / arm_devel	18m 4s
android-arm / arm_debug	19m 38s
android-arm / arm_qa	11m 0s
android-arm / arm_gold	11m 48s
android-arm64 / arm64_devel	18m 24s
android-arm64 / arm64_debug	18m 30s
android-arm64 / arm64_qa	11m 11s
android-arm64 / arm64_gold	11m 8s
android-x86 / x86_devel	18m 14s
android-x86 / x86_debug	18m 6s
android-x86 / x86_qa	11m 45s
android-x86 / x86_gold	10m 56s
android-arm64 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm64 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
android-arm / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
android-x86 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-x86 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
upload-release-artifacts	31s
	3h 11m 14s

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