Fix Winscope compiling warnings

Test: compile Winscope and see there are no warnings
Change-Id: Iae7d2be4512df0295ce7e94ccfe364a3d741e685

tools/winscope/src/LogView.vue

@@ -46,14 +46,14 @@
       <md-field>
         <label>Log Levels</label>
         <md-select v-model="selectedLogLevels" multiple>
-          <md-option v-for="level in logLevels" :value="level">{{ level }}</md-option>
+          <md-option v-for="level in logLevels" :value="level" v-bind:key="level">{{ level }}</md-option>
         </md-select>
       </md-field>
 
       <md-field>
         <label>Tags</label>
         <md-select v-model="selectedTags" multiple>
-          <md-option v-for="tag in tags" :value="tag">{{ tag }}</md-option>
+          <md-option v-for="tag in tags" :value="tag" v-bind:key="tag">{{ tag }}</md-option>
         </md-select>
       </md-field>
 

tools/winscope/src/components/TagDisplay/TransitionContainer.vue

@@ -22,7 +22,7 @@
 </template>
 <script>
 import Arrow from './Arrow.vue';
-import {LocalStore} from '../../localstore.js';
+import LocalStore from '../../localstore.js';
 
 var transitionCount = false;