added android:exported=true in service tag as in Android 11 its compu…

[sparkwork992]

…lsory to have this tag if intent-filter is used

Description

We need to have android:exported="true" tag in services also if we are using intent-filter. This is required in Android 11 + builds.

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[Ruud-cb]

Looking forward to the merge of this and a hotfix release as this currently prevents us from targeting sdk 31 which other plugins require.

[erisu]

The changes in this PR is more then what the title and description talks about.
A single PR should focus on an individual bug or feature. Not a collection of changes.

I created a PR and commited into master the changes that this PR's title and description is targeting.
If the other changes are required, split them out please into seperate PRs.