[Android] Add android aar package

[DefTruth]

PR types(PR类型)

Android

Describe

• add fastdeploy android aar package
  • init fastdeploy android jar package
  • support INT8 option for lite backend
  • use CopyFromCpu for lite backend
  • add lite backend to valid_cpu_backends for all paddle models
    • add Backend::Lite to paddle models
    • test Backend::Lite for paddle models
  • bind ppclas series models with JNI and Java
    • 10+ PaddleClas Model
  • bind PP-OCRv1, PP-OCRv2 and PP-OCRv3 with JNI and Java
  • bind ppdet series models with JNI and Java
    • PicoDet s/xs/m/l
    • PPYOLOE/PPYOLOE+
    • ...
  • bind all external yolo series models(v5,v6,v7,x,v5lite,...) with JNI and Java
  • bind pptinypose series models with JNI and Java
  • bind text/uie models with JNI and Java
  • bind ppseg series models with JNI and Java
  • bind external facedet models (yolov5face,retinaface,scrfd,ultraface,...) with JNI and Java
  • ......