tree 4816470ac9c6c604dc484eba21c7003a902bc9a7
parent 13097923fa86fa6b0bbecdf15e5bbc9e6093b1cd
author Aaron Huang <huangaaron@google.com> 1584530671 +0800
committer Aaron Huang <huangaaron@google.com> 1584589104 +0800

API review: access field by method

- InvalidPacketException, public field should be a method so
  add getter to get error code.
- KeepalivePacketData, public fields should be methods so
   add getter for fields.

Bug: 151322799
Test: atest FrameworksNetTests
      atest FrameworksWifiTests
      atest FrameworksTelephonyTests: some failure in CarrierAppUtilsTest
Change-Id: Id01e6135193716cc21bba11da529bf1507a954f7