so没有打包进AKP导致java.lang.UnsatisfiedLinkError: dlopen failed: library “lib.so“ not found

/AndroidRuntime: FATAL EXCEPTION: BaseActivity
    Process: com.serenegiant.usbcameratest, PID: 5494
    java.lang.UnsatisfiedLinkError: dlopen failed: library "libjpeg-turbo1500.so" not found
        at java.lang.Runtime.loadLibrary0(Runtime.java:1087)
        at java.lang.Runtime.loadLibrary0(Runtime.java:1008)
        at java.lang.System.loadLibrary(System.java:1664)
        at com.serenegiant.usb.UVCCamera.<clinit>(UVCCamera.java:119)
        at com.serenegiant.usbcameratest.MainActivity$2$1.run(MainActivity.java:143)
        at android.os.Handler.handleCallback(Handler.java:938)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:236)
        at android.os.HandlerThread.run(HandlerThread.java:67)

android {
  ......
  sourceSets {
  main {
    jniLibs.srcDirs = ['libs']
  }
  }