Update android build to latest tools

[mspieth]

Update android build tools to use latest tools and sdk

NDK 20b SDK 28 (29 is latest but not yet prevalent)

[mspieth]

I have pushed the minor updates to mythtv repo which we just wrong before and to support clang properly

[Mark Spieth <mspieth@…>]

In 4948a8b00/mythtv:

Error: Processor CommitTicketReference failed

GIT backend not available

[Mark Spieth <mspieth@…>]

In 7b6d5263be/mythtv:

Error: Processor CommitTicketReference failed

GIT backend not available

[Mark Spieth <mspieth@…>]

In 780b5f5029/mythtv:

Error: Processor CommitTicketReference failed

GIT backend not available

[Mark Spieth <mspieth@…>]

In 51c926b704/mythtv:

Error: Processor CommitTicketReference failed

GIT backend not available

[Mark Spieth <mspieth@…>]

In bc80a5033f/mythtv:

Error: Processor CommitTicketReference failed

GIT backend not available

[Mark Spieth <mspieth@…>]

In 00186a1a20/mythtv:

Error: Processor CommitTicketReference failed

GIT backend not available

[Mark Spieth <mspieth@…>]

In c894ef68d/mythtv:

Error: Processor CommitTicketReference failed

GIT backend not available

[Mark Spieth <mspieth@…>]

In 6ae7d90994/mythtv:

Error: Processor CommitTicketReference failed

GIT backend not available

[Stuart Auchterlonie]

We have moved all bug tracking to github [1]

If you continue to have this issue, please open a new issue at github, referencing this ticket.

[1] - ​https://github.com/MythTV/mythtv/issues