enableProximityMessaging

Enables proximity messaging. This will only succeed if:

• com.salesforce.marketingcloud.MarketingCloudConfig.Builder#setProximityEnabled(boolean) was set to true
• The AltBeacon dependency was included in your build.
• The device has the correct hardware and API level (18)
• The play-services-location dependency was included in your build
• The Manifest.permission#ACCESS_FINE_LOCATION permission has been granted.
• The Manifest.permission#ACCESS_BACKGROUND_LOCATION permission has been granted on Android Q+.
• The device has the supported play services version.

Return
Boolean: True if proximity messaging was sucessfully enabled