[tor-bugs] #31173 [Applications/Tor Browser]: Update android-toolchain project to match firefox

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#31173: Update android-toolchain project to match firefox
-------------------------------------------------+-------------------------
 Reporter:  sisbell                              |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-rbm, ff68-esr,                   |  Actual Points:
  TorBrowserTeam201907R                          |
Parent ID:  #30324                               |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by cypherpunks):

 r17b! Not even r17c! It is a minimum supported version! Not something you
 should use.
 Recommended version is **r20**. We need at least `-fstack-protector-
 strong` from r18b, see https://github.com/android-
 ndk/ndk/wiki/Changelog-r18

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31173#comment:5>
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