autoclick: Update type panel color

Updated the type panel color based on UX request.

New Spec: http://screen/8ME9kKYj6RpeR2x

Before: http://screen/9CVVxFDd2JkAboK
After:  http://shortn/_pNdHo8N9XX

Bug: b/430056307
Test: atest
Flag: com.android.server.accessibility.enable_autoclick_indicator
Change-Id: I16932341af57d910766895a783ed9b9a5d8ef5a6