Update from NDK version used from r15b to r15c

[termux-packages] / packages / libxapian / xapian-tools.subpackage.sh

TERMUX_SUBPKG_INCLUDE="share/xapian-core share/man/man1 bin/"
TERMUX_SUBPKG_DESCRIPTION="Basic tools for the Xapian search engine"
TERMUX_SUBPKG_DEPENDS="libxapian"