Add LifecycleManager from briar

build.gradle

mailbox-android/src/main/AndroidManifest.xml

...c/main/java/org/briarproject/mailbox/android/AppModule.kt

.../org/briarproject/mailbox/android/ApplicationComponent.kt

...va/org/briarproject/mailbox/android/MailboxApplication.kt

...n/java/org/briarproject/mailbox/android/MailboxService.kt

...arproject/mailbox/android/api/system/AndroidExecutor.java

...arproject/mailbox/android/api/system/AndroidWakeLock.java

...ct/mailbox/android/api/system/AndroidWakeLockManager.java

...arproject/mailbox/android/system/AndroidExecutorImpl.java

...riarproject/mailbox/android/system/AndroidSystemModule.kt

...arproject/mailbox/android/system/AndroidWakeLockImpl.java

...ct/mailbox/android/system/AndroidWakeLockManagerImpl.java

...riarproject/mailbox/android/system/RenewableWakeLock.java

...g/briarproject/mailbox/android/system/SharedWakeLock.java

...ox-android/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

...roid/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

mailbox-android/src/main/res/values-night/themes.xml

mailbox-android/src/main/res/values/themes.xml

...ox-cli/src/main/java/org/briarproject/mailbox/cli/Main.kt