Android: Update Android Studio Canary version

3.6 Canary 11 is now available on gLinux.

Tbr: agrieve@chromium.org
Bug: 620034
Change-Id: I09f02ba2fcbaa8e487ba1dde0e0f9648be8452f4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1914120Reviewed-by: Peter Wen <wnwen@chromium.org>
Commit-Queue: Peter Wen <wnwen@chromium.org>
Auto-Submit: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714908}

build/android/gradle/root.jinja

@@ -10,7 +10,7 @@ buildscript {
     }
     dependencies {
 {% if channel == 'canary' %}
-        classpath "com.android.tools.build:gradle:3.6.0-alpha10"
+        classpath "com.android.tools.build:gradle:3.6.0-beta03"
 {% elif channel == 'beta' %}
         classpath "com.android.tools.build:gradle:3.1.0-beta4"
 {% else %}