fix(android): allow directories beginning with underscore in assets d…

…ir to be packaged

android-template/app/build.gradle

@@ -9,6 +9,11 @@ android {
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        aaptOptions {
+             // Files and dirs to omit from the packaged assets dir, modified to accommodate modern web apps.
+             // Default: https://android.googlesource.com/platform/frameworks/base/+/282e181b58cf72b6ca770dc7ca5f91f135444502/tools/aapt/AaptAssets.cpp#61
+            ignoreAssetsPattern '!.svn:!.git:!.ds_store:!*.scc:.*:!CVS:!thumbs.db:!picasa.ini:!*~'
+        }
     }
     buildTypes {
         release {
@@ -43,4 +48,4 @@ try {
     }
 } catch(Exception e) {
     logger.warn("google-services.json not found, google-services plugin not applied. Push Notifications won't work")
-}
+}