[Pandora] Adopt permission from the shell instead of the platform certificate

* Remove usage of the platform certificate
* Let the instrumentation alive by adding `-w` as this is needed to
  use the UiAutomation

Bug: 243588684
Bug: 241843716
Test: atest -v pts-bot
Change-Id: I51676bef0682aa8a155435fa7d709524c40bde08