Update notes for submitted changes

* Fork chromium/webview/Browser repositories
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* Fork hardware/libhardware (for BCM21553)
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* Add hardware/broadcom/brcm_usrlib
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* Revert "Add hardware/broadcom/brcm_usrlib"
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* Re-enable legacy prebuilt repo
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* Switch to our android_hardware_broadcom_wlan
Update notes for submitted changes

* Disable VIM editor
Update notes for submitted changes

* Enable and switch to our ARMv6 fork of ART runtime