CB-12914: Forgot to bump AndroidManifest.xml for play store reasons

[infil00p]

Platforms affected

Android

What does this PR do?

Bumps the Min API level ( should have been done on 7.0, but we forgot)

What testing has been done on this change?

Checklist

• Reported an issue in the JIRA database
• Commit message follows the format: "CB-3232: (android) Fix bug with resolving file paths", where CB-xxxx is the JIRA ID & "android" is the platform affected.
• Added automated test coverage as appropriate for this change.

[codecov-io]

Codecov Report

Merging #420 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #420   +/-   ##
=======================================
  Coverage   43.91%   43.91%           
=======================================
  Files          17       17           
  Lines        1710     1710           
  Branches      317      317           
=======================================
  Hits          751      751           
  Misses        959      959

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[macdonst]

LGTM, one question should we switch the other places in the repo that use earlier min sdk versions?

[infil00p]

@macdonst Yes. I don't think there should be any though.