Revert "AOSP/UnifiedEmail - Bumped the targetSdkVersion to 28 (maximum version). Used JobIntentservice API calls to replace context.startService."

This reverts commit c851a0a2fa18cf76f4fe5eb53ce489f051fb7019.

Reason for revert: No notification when new email arrived Bug: 132923014

Change-Id: I010565b2f8616195f397db4473b3a34fc8b150b5
4 files changed