Merge "fs_mgr: Fix misleading comment text regarding __ANDROID_RECOVERY__" am: fb81cf76

bool fs_mgr_in_recovery() {

    // Check the existence of recovery binary instead of using the compile time

    // macro, because first-stage-init is compiled with __ANDROID_RECOVERY__

    // defined, albeit not in recovery. More details: system/core/init/README.md

    // __ANDROID_RECOVERY__ macro.

    // If BOARD_USES_RECOVERY_AS_BOOT is true, both normal and recovery boot

    // mode would use the same init binary, which would mean during normal boot

    // the '/init' binary is actually a symlink pointing to

    // init_second_stage.recovery, which would be compiled with

    // __ANDROID_RECOVERY__ defined.

    return fs_mgr_access("/system/bin/recovery");

}