Add eslint-plugin-prettier and format all *_html.js

The only manual change needed to fix a test due to textContent match

Change-Id: Ic9e561f7d482e7a680b3c4bfe58decdbd5d4ec10
(cherry picked from commit 6d8561b663989c0f629a452a694d6099e44801eb)
diff --git a/polygerrit-ui/app/elements/change/gr-confirm-revert-submission-dialog/gr-confirm-revert-submission-dialog_html.js b/polygerrit-ui/app/elements/change/gr-confirm-revert-submission-dialog/gr-confirm-revert-submission-dialog_html.js
index a68920c..48051a0 100644
--- a/polygerrit-ui/app/elements/change/gr-confirm-revert-submission-dialog/gr-confirm-revert-submission-dialog_html.js
+++ b/polygerrit-ui/app/elements/change/gr-confirm-revert-submission-dialog/gr-confirm-revert-submission-dialog_html.js
@@ -17,35 +17,45 @@
 import {html} from '@polymer/polymer/lib/utils/html-tag.js';
 
 export const htmlTemplate = html`
-    <!-- TODO(taoalpha): move all shared styles to a style module. -->
-    <style include="shared-styles">
-      :host {
-        display: block;
-      }
-      :host([disabled]) {
-        opacity: .5;
-        pointer-events: none;
-      }
-      label {
-        cursor: pointer;
-        display: block;
-        width: 100%;
-      }
-      iron-autogrow-textarea {
-        font-family: var(--monospace-font-family);
-        font-size: var(--font-size-mono);
-        line-height: var(--line-height-mono);
-        width: 73ch; /* Add a char to account for the border. */
-      }
-    </style>
-    <gr-dialog confirm-label="Revert Submission" on-confirm="_handleConfirmTap" on-cancel="_handleCancelTap">
-      <div class="header" slot="header">Revert Submission</div>
-      <div class="main" slot="main">
-        <label for="messageInput">
-          Revert Commit Message
-        </label>
-        <iron-autogrow-textarea id="messageInput" class="message" autocomplete="on" max-rows="15" bind-value="{{message}}"></iron-autogrow-textarea>
-      </div>
-    </gr-dialog>
-    <gr-js-api-interface id="jsAPI"></gr-js-api-interface>
+  <!-- TODO(taoalpha): move all shared styles to a style module. -->
+  <style include="shared-styles">
+    :host {
+      display: block;
+    }
+    :host([disabled]) {
+      opacity: 0.5;
+      pointer-events: none;
+    }
+    label {
+      cursor: pointer;
+      display: block;
+      width: 100%;
+    }
+    iron-autogrow-textarea {
+      font-family: var(--monospace-font-family);
+      font-size: var(--font-size-mono);
+      line-height: var(--line-height-mono);
+      width: 73ch; /* Add a char to account for the border. */
+    }
+  </style>
+  <gr-dialog
+    confirm-label="Revert Submission"
+    on-confirm="_handleConfirmTap"
+    on-cancel="_handleCancelTap"
+  >
+    <div class="header" slot="header">Revert Submission</div>
+    <div class="main" slot="main">
+      <label for="messageInput">
+        Revert Commit Message
+      </label>
+      <iron-autogrow-textarea
+        id="messageInput"
+        class="message"
+        autocomplete="on"
+        max-rows="15"
+        bind-value="{{message}}"
+      ></iron-autogrow-textarea>
+    </div>
+  </gr-dialog>
+  <gr-js-api-interface id="jsAPI"></gr-js-api-interface>
 `;