Update LTS minor version to 20 #1215

Job	Run time
android-arm / initialize	40s
android-arm64 / initialize	56s
android-x86 / initialize	42s
android-arm / docker-build-image	29s
android-arm / docker-unittest-image	0s
android-x86 / docker-build-image	26s
android-x86 / docker-unittest-image	0s
android-arm64 / docker-build-image	27s
android-arm64 / docker-unittest-image	0s
android-arm / arm_devel	19m 46s
android-arm / arm_debug	16m 27s
android-arm / arm_qa	7m 35s
android-arm / arm_gold	7m 52s
android-x86 / x86_devel	17m 36s
android-x86 / x86_debug	15m 51s
android-x86 / x86_qa	6m 59s
android-x86 / x86_gold	8m 24s
android-arm64 / arm64_devel	16m 38s
android-arm64 / arm64_debug	25m 15s
android-arm64 / arm64_qa	7m 38s
android-arm64 / arm64_gold	8m 14s
android-x86 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-x86 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
android-x86 / on-host-unit-test-report	0s
android-arm / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
android-arm / on-host-unit-test-report	0s
android-arm64 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm64 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
android-arm64 / on-host-unit-test-report	0s
	2h 41m 55s

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