Update android.yml

- 在任意分支触发 Android CI
- *.md 与 LICENSE 不触发 CI

Author: Chenhe

.github/workflows/android.yml

@@ -2,9 +2,13 @@ name: Android CI
 
 on:
   push:
-    branches: [ master ]
+    paths-ignore:
+      - '**.md'
+      - LICENSE
   pull_request:
-    branches: [ master ]
+    paths-ignore:
+      - '**.md'
+      - LICENSE
 
 jobs:
   build: