Add the aconfig flag enable_chips for WebView feature CHIPS

This change list adds a chips flag to guard the new API and the CHIPS compat ID to guard the CHIPS feature in WebView.

Test: Not available for test right now
Flag: android.webkit.enable_chips
Bug: 380890146
Change-Id: I7cae29eb192eea7c3e6ddba298508c3268b0aa8f
3 files changed