Show all command-line switches in help, and allow startup URL at the end. #1731

Job	Run time
android-arm / initialize	44s
android-arm64 / initialize	42s
android-x86 / initialize	41s
android-x86 / docker-build-image	3m 28s
android-x86 / docker-unittest-image	0s
android-arm64 / docker-build-image	3m 3s
android-arm64 / docker-unittest-image	0s
android-arm / docker-build-image	3m 4s
android-arm / docker-unittest-image	0s
android-x86 / x86_devel	7m 59s
android-x86 / x86_debug	7m 58s
android-x86 / x86_qa	7m 37s
android-x86 / x86_gold	7m 47s
android-arm64 / arm64_devel	7m 56s
android-arm64 / arm64_debug	7m 54s
android-arm64 / arm64_qa	8m 9s
android-arm64 / arm64_gold	7m 39s
android-arm / arm_devel	7m 48s
android-arm / arm_debug	7m 58s
android-arm / arm_qa	7m 53s
android-arm / arm_gold	8m 12s
android-x86 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-x86 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
android-arm64 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm64 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
android-arm / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
upload-release-artifacts	0s
	1h 46m 32s

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