You can run these two commands to remove Pinyin IME (so that Latin would become the default):
> adb shell
same, but easier to put in Jenkins:
> adb shell mount -rw -o remount /dev/block/mtdblock0 /system > adb shell rm /system/app/PinyinIME.apk
First you can check which device is installed on / system by running
in adb shell.
If you need to delete another IME, just change the file name in the "rm" command. Note: this will remove Pinyin IME completely. Although you are not quite sure - do not do this on real devices, as it would be difficult to return this IME :)
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