Cherry pick PR #1248: Guarantee build_id is a string. #389

Job	Run time
android-arm / initialize	52s
android-arm64 / initialize	55s
android-x86 / initialize	1m 9s
android-arm / docker-build-image	31s
android-arm / docker-unittest-image	0s
android-arm64 / docker-build-image	30s
android-arm64 / docker-unittest-image	0s
android-x86 / docker-build-image	32s
android-x86 / docker-unittest-image	0s
android-arm / arm_devel	23m 0s
android-arm / arm_debug	24m 5s
android-arm / arm_qa	10m 7s
android-arm / arm_gold	9m 35s
android-arm64 / arm64_devel	27m 51s
android-arm64 / arm64_debug	15m 18s
android-arm64 / arm64_qa	9m 40s
android-arm64 / arm64_gold	8m 31s
android-x86 / x86_devel	24m 30s
android-x86 / x86_debug	16m 21s
android-x86 / x86_qa	8m 24s
android-x86 / x86_gold	9m 37s
android-arm / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm / ${{ matrix.name }}_on_device_${{ matrix.type }}	0s
android-x86 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-x86 / ${{ matrix.name }}_on_device_${{ matrix.type }}	0s
android-arm64 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm64 / ${{ matrix.name }}_on_device_${{ matrix.type }}	0s
	3h 11m 28s

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