Update abiFiltering documentation with new flag to disable (#12670)

A new flag has been added that will allow Android developers to disable
FlutterPlugin.kt code that adds abiFilters to buildTypes. This should
only be used when the developer knows what they are doing. This is
specifically for developers that want to set abiFilters in [Product
Flavors](flutter/flutter#175845)

Depends on: flutter/flutter#177753

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Author: mboetger

src/content/deployment/flavors.md

@@ -349,6 +349,12 @@ If you have additional build settings that you would like to
 configure for a specific Android product flavor, see
 Android's [Configure build variants][].
 
+While it is possible to set `abiFilters` in product flavors, it is not
+recommended. Instead, favor `abiFilters` in build types. When setting
+`abiFilters` in product flavors, one must use the
+`-Pdisable-abi-filtering` flag when running `flutter build` or
+`flutter run`.
+
 [Configure build variants]: https://developer.android.com/build/build-variants
 
 ## More information

src/content/release/breaking-changes/default-abi-filters-android.md

@@ -76,6 +76,10 @@ android {
 }
 ```
 
+### Disabling abiFIlters ###
+It is possible, but not recommended, to disable this abi filtering. Pass the `-Pdisable-abi-filtering`flag when running `flutter build`
+or `flutter run`.
+
 ## Timeline
 
 Landed in version: 3.35.0<br>
@@ -84,8 +88,10 @@ In stable release: 3.35
 Relevant issues:
 * [Issue #174004]({{site.repo.flutter}}/issues/174004)
 * [Issue #153476]({{site.repo.flutter}}/issues/153476)
+* [Issue #175845]({{site.repo.flutter}}/issues/175845)
 
 Relevant PRs:
 * [PR #168293]({{site.repo.flutter}}/pull/168293)
+* [PR #177753]({{site.repo.flutter}}/pull/177753)
 
 [`abiFilters`]: https://developer.android.com/reference/tools/gradle-api/8.7/com/android/build/api/dsl/Ndk#abiFilters()