supress several Java compile warnings
supress several Java compile warnings

cfig/Nexus_boot_image_editor,cfig/Nexus_boot_image_editor,cfig/Android_boot_image_editor,cfig/Android_boot_image_editor,cfig/Android_boot_image_editor,cfig/Nexus_boot_image_editor,cfig/Nexus_boot_image_editor,cfig/Android_boot_image_editor,cfig/Android_boot_image_editor,cfig/Android_boot_image_editor