Move UMP SDK to a top-level directory. #13291

Job	Run time
check_and_prepare	17s
build-android-ubuntu-22.04	57s
build-android-macos-13	2m 32s
build-android-windows-latest	4m 9s
build-ios-macos-13	11m 3s
build-desktop-windows-latest-x64-openssl	10m 52s
build-tvos-macos-13	11m 2s
build-desktop-ubuntu-22.04-x64-openssl	11m 2s
build-desktop-macos-13-x64-openssl	11m 8s
test-android-macos-13-android_target-gameloop	8s
test-android-ubuntu-22.04-emulator_ftl_target-gameloop	9s
test-android-macos-13-emulator_ftl_target-gameloop	9s
test-android-ubuntu-22.04-android_target-gameloop	8s
test-android-windows-latest-android_target-gameloop	8s
test-android-windows-latest-emulator_ftl_target-gameloop	8s
test-ios-${{ matrix.build_os }}-${{ matrix.ios_device }}-${{ matrix.test_type }}	1s
test-tvos-${{ matrix.build_os }}-${{ matrix.tvos_device }}	1s
test-desktop-${{ matrix.os }}-${{ matrix.arch }}-${{ matrix.ssl_variant }}	1s
attempt-retry	1s
summarize-results	1s
	1h 3m 57s

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