Add Cocoa to sdk_frameworks of mac_process.
Add Cocoa to sdk_frameworks of mac_process.

* This fixes a build error on macOS.

PiperOrigin-RevId: 445832030

fcitx/mozc,google/mozc,google/mozc,google/mozc,google/mozc,google/mozc,fcitx/mozc,fcitx/mozc,fcitx/mozc,fcitx/mozc