Flip bugreport version to 2.0

- Adds support for proto dumps
- Adds support for priority service dumps
- Change order of arguments when dumping Normal priority services
- Adds a new DEFAULT priority for services which is treated the same as NORMAL priority but dumpsys does not send "--dump-priority" arguments to the service.
Bug: 67716082, 27429130
Test: Manually generate bugreport (default version) and check for any issues
Test: Load bugreport on ABT
Test: mmm -j56 frameworks/native/cmds/dumpstate && \
      adb sync data && adb shell /data/nativetest/dumpstate_test/dumpstate_test && \
      adb shell /data/nativetest64/dumpstate_test/dumpstate_test && \
      adb shell /data/nativetest64/dumpstate_smoke_test/dumpstate_smoke_test && \
      adb shell /data/nativetest/dumpsys_test/dumpsys_test && \
      adb shell /data/nativetest64/dumpsys_test/dumpsys_test && \
      printf "\n\n#### ALL TESTS PASSED ####\n"

Change-Id: Ie8761a2dd0425574b0d905752e1562196a1f7426