Update documentation for Android's incremental_install GN flag.

Change-Id: Ib39d9ddd9997c1726e268d829b4a4df967be58ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3489960
Auto-Submit: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/main@{#975382}
diff --git a/docs/android_build_instructions.md b/docs/android_build_instructions.md
index 734cd7e..1a6cc66 100644
--- a/docs/android_build_instructions.md
+++ b/docs/android_build_instructions.md
@@ -419,9 +419,9 @@
 incremental_install = true
 ```
 
-Some APKs (e.g. WebView) do not work with incremental install, and are
-blacklisted from being built as such (via `never_incremental = true`), so are
-build as normal APKs even when `incremental_install = true`.
+Some APKs (e.g. WebView) do not work with `incremental install = true` and are
+always built as normal APKs. This behavior is controlled via
+`never_incremental = true`.
 
 ## Installing and Running Chromium on an Emulator