Merge "Read the proto paths with root" into main

/**

 * A host lib that can read all aconfig proto file paths on a given device.

 * This lib is only available on device with root access (userdebug/eng).

 */

public class HostDeviceProtos {

    /**

    };

    private static final String APEX_DIR = "/apex";

    private static final String RECURSIVELY_LIST_APEX_DIR_COMMAND = "shell find /apex | grep aconfig_flags";

    private static final String RECURSIVELY_LIST_APEX_DIR_COMMAND =

        "shell su 0 find /apex | grep aconfig_flags";

    private static final String APEX_ACONFIG_PATH_SUFFIX = "/etc/aconfig_flags.pb";