Enable __cplusplus preprocessor macro in xb1 build #6203

Job	Run time
android-arm / initialize	34s
android-arm64 / initialize	28s
android-x86 / initialize	40s
android-arm64 / docker-build-image	1m 14s
android-arm64 / docker-unittest-image	0s
android-arm / docker-build-image	1m 14s
android-arm / docker-unittest-image	0s
android-x86 / docker-unittest-image	0s
android-x86 / docker-build-image	1m 12s
android-arm64 / arm64_devel	16m 35s
android-arm64 / arm64_debug	17m 52s
android-arm64 / arm64_qa	6m 57s
android-arm64 / arm64_gold	7m 19s
android-arm / arm_devel	26m 8s
android-arm / arm_debug	25m 10s
android-arm / arm_qa	7m 23s
android-arm / arm_gold	6m 51s
android-x86 / x86_devel	18m 46s
android-x86 / x86_debug	24m 12s
android-x86 / x86_qa	7m 22s
android-x86 / x86_gold	7m 9s
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
android-arm / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
android-arm / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
	2h 57m 6s

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