fix(migration): handle plain-text success response from migrateHostname JNI#172

TimeToBuildBob wants to merge 2 commits into

ActivityWatch:masterActivityWatch/aw-android:masterfrom

TimeToBuildBob:fix/hostname-migration-json-protocolTimeToBuildBob/aw-android:fix/hostname-migration-json-protocolCopy head branch name to clipboard