Add a basic IME to gsi_$arch products

LatinIME is added to provide a basic input method.

Bug: 179652260
Test: $ lunch gsi_arm64-userdebug; m
      # Flash the resulted system.img to a Pixel w/ AVB disabled.
      # Make sure a URL can be typed into the browser address bar.
Change-Id: I0427e22953bee3e56799f654a4e4b4a79ff90c4f
1 file changed