update appium-adb with waitDuration update

package.json

@@ -41,7 +41,7 @@
   },
   "dependencies": {
     "adm-zip": "~0.4.4",
-    "appium-adb": "~1.3.18",
+    "appium-adb": "~1.3.19",
     "appium-atoms": "~0.0.5",
     "appium-instruments": "~1.4.10",
     "appium-uiauto": "~1.7.14",

submodules/appium-adb

@@ -1 +1 @@
-Subproject commit ab8824d007593b44f3d91e597b210ceabf07b13d
+Subproject commit a9d4baf016c264428dbdce7f8b73e4ef8ff7911e