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Chrome Version: (copy from chrome://version)
OS: (e.g. Win10, MacOS 10.12, etc...)

What steps will reproduce the problem?
(1) args.gn as below:
target_os = "android"
target_cpu = "arm64"
is_debug = false
treat_warnings_as_errors = false
is_official_build = true
is_component_build = false
system_webview_package_name = "com.google.android.webview"
disable_webview_in_package_name_check = true  

# 关闭 WebView 资源隔离
webview_includes_webview_client = false
enable_google_services = false
enable_google_services_integration = false
enable_google_services_signin = false

android_channel = "stable"
ffmpeg_branding = "Chrome"
proprietary_codecs = true
use_official_google_api_keys = false
disable_fieldtrial_testing_config = true
enable_nacl = false
debuggable_apks  = false

#android_ndk_version= "34"

#android_sdk_platform_version= "34"

is_chrome_branded = false
google_api_key=false
google_default_client_id=false
google_default_client_secret=false
media_use_ffmpeg=true
enable_mse_mpeg2ts_stream_parser=true
blink_symbol_level=0
symbol_level = 0
is_java_debug = false

chrome_pgo_phase = 0
rtc_use_h264  = true

enable_resource_renaming = false

# 禁用资源文件重命名
enable_resource_whitelist_renaming = false
enable_resource_allowlist_renaming = false


# 不允许远程调试
enable_remoting = false
enable_resource_whitelist_generation = false
# 删除内核层支持调试的符号文件
remove_webcore_debug_symbols = false

# 解决不能播放MP4格式的视频问题
use_openh264 = true
full_wpo_on_official = true
rtc_initialize_ffmpeg = true

(2) run: autoninja -C out/arm64_ob -j8 system_webview_apk

What is the expected result?
assets/icudtl.dat
assets/chrome_100_percent.pak
.....
What happens instead?
assets/icudtl.dat+com.google.android.webview+
assets/chrome_100_percent.pak+com.google.android.webview+

Please use hotlists and text to provide additional information.

If this is a regression (i.e., worked before), please consider using the bisect tool (https://www.chromium.org/developers/bisect-builds-py) to help us identify the root cause and more rapidly triage the issue.

For graphics-related bugs, please copy/paste the contents of the about://gpu page at the end of this report.

Upload Chrome variations which can help us investigate this issue.
  1 Open Chrome. Go to chrome://version/?show-variations-cmd
  2 Notice that there is a "Command-line variations" section(you might need to scroll down the page). Copy and save the value of the section to a txt file like variations.txt.
  3 Upload the file to this bug as an attachment.