release: AWS SDK for Android 2.81.0 (aws-amplify#3670)

* release: AWS SDK for Android 2.80.1

* Modify release notes for version 2.81.0

* Update version in gradle.properties

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Co-authored-by: awsmobilesdk-dev+ghops <[email protected]>
Co-authored-by: Matt Creaser <[email protected]>

release: AWS SDK for Android 2.80.0 (aws-amplify#3668)

Co-authored-by: awsmobilesdk-dev+ghops <[email protected]>

chore: Update sonatype endpoint for publishing (aws-amplify#3663)

* chore: Update sonatype endpoint for publishing

* change group name to the testing namespace for testing

* Revert "change group name to the testing namespace for testing"

This reverts commit b46c340.

release: AWS SDK for Android 2.78.0 (aws-amplify#3655)

Co-authored-by: awsmobilesdk-dev+ghops <[email protected]>

release: AWS SDK for Android 2.77.1 (aws-amplify#3647)

* release: AWS SDK for Android 2.77.1

* Update CHANGELOG.md

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Co-authored-by: awsmobilesdk-dev+ghops <[email protected]>
Co-authored-by: Matt Creaser <[email protected]>

release: AWS SDK for Android 2.77.0 (aws-amplify#3630)

Co-authored-by: awsmobilesdk-dev+ghops <[email protected]>

release: AWS SDK for Android 2.76.1 (aws-amplify#3621)

Co-authored-by: awsmobilesdk-dev+ghops <[email protected]>

release: AWS SDK for Android 2.76.0 (aws-amplify#3614)

Co-authored-by: awsmobilesdk-dev+ghops <[email protected]>

release: AWS SDK for Android 2.75.2 (aws-amplify#3596)

Co-authored-by: awsmobilesdk-dev+ghops <[email protected]>