Update flutter role

Install system-image
Set android-sdk dir in flutter

roles/flutter/tasks/install-android-sdk.yml

@@ -59,3 +59,4 @@
       sdkmanager --install "platform-tools"
       sdkmanager --install "platforms;android-{{ android.sdk.version }}"
       sdkmanager --install "sources;android-{{ android.sdk.version }}"
+      sdkmanager --install "system-images;android-{{ android.sdk.version }};google_apis;x86_64"

roles/flutter/tasks/install-flutter.yml

@@ -37,3 +37,7 @@
     src: "{{ flutter.dir }}/bin/dart"
     dest: "/usr/local/bin/dart"
     state: link
+
+- name: Set flutter android sdk dir
+  shell:
+    cmd: flutter config --android-sdk {{ android.dir }}

roles/flutter/tasks/main.yml

@@ -4,6 +4,15 @@
     pkg:
       - python3-jmespath
 
+- name: Check if android-sdk has been installed
+  stat:
+    path: "{{ android.dir }}"
+  register: android_sdk_dir_status
+
+- import_tasks: install-android-sdk.yml
+  when:
+    - not android_sdk_dir_status.stat.exists
+
 - name: Check if flutter has been installed
   stat:
     path: "{{ flutter.dir }}"
@@ -13,11 +22,3 @@
   when:
     - not flutter_dir_status.stat.exists
 
-- name: Check if android-sdk has been installed
-  stat:
-    path: "{{ android.dir }}"
-  register: android_sdk_dir_status
-
-- import_tasks: install-android-sdk.yml
-  when:
-    - not android_sdk_dir_status.stat.exists