Fix the wrong parameter in AndroidManifest.
When changing android:windowSoftInputMode,
one should not specify multiple "adjust..." or "state...".

Change-Id: I0dcacd846d4fe5c2976fe1708b29086b98f2607b
Reviewed-on: https://gerrit.libreoffice.org/40686Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>