feat(android): Add log flushing on app backgrounding #6211

Job	Run time
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	3m 49s
system-test (sentry-samples-spring-boot-jakarta, false, true)	6m 23s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	6m 0s
system-test (sentry-samples-spring-boot, false, true)	3m 39s
system-test (sentry-samples-logback, false, true)	1m 50s
system-test (sentry-samples-spring-boot-webflux, false, true)	3m 40s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	6m 21s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	6m 41s
system-test (sentry-samples-spring-boot-4, false, true)	3m 34s
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	6m 19s
system-test (sentry-samples-console, false, true)	2m 5s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	6m 29s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	6m 44s
system-test (sentry-samples-log4j2, false, true)	1m 57s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	6m 32s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	3m 54s
system-test (sentry-samples-spring, false, true)	3m 22s
system-test (sentry-samples-spring-jakarta, false, true)	3m 39s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	6m 59s
system-test (sentry-samples-spring-7, false, true)	3m 9s
system-test (sentry-samples-jul, false, true)	2m 8s
	1h 35m 14s

Provide feedback