Add --llvm-ninja-targets-for-cross-compile-hosts=help

Author: marcprux

swift-ci/sdks/android/scripts/build.sh

@@ -385,6 +385,7 @@ for arch in $archs; do
             1|true|yes|YES)
                 build_cmark=""
                 local_build=""
+                build_llvm="1"
                 build_swift_tools="1"
                 validation_test="1"
                 native_swift_tools_path=""
@@ -393,6 +394,7 @@ for arch in $archs; do
             *)
                 build_cmark="--skip-build-cmark"
                 local_build="--skip-local-build"
+                build_llvm="0"
                 build_swift_tools="0"
                 validation_test="0"
                 native_swift_tools_path="--native-swift-tools-path=$host_toolchain/bin"
@@ -415,7 +417,7 @@ for arch in $archs; do
             --cross-compile-hosts=android-$arch \
             --cross-compile-deps-path=$sdk_root \
             --install-destdir=$sdk_root \
-            --build-llvm=0 \
+            --build-llvm=$build_llvm \
             --build-swift-tools=$build_swift_tools \
             ${native_swift_tools_path} \
             ${native_clang_tools_path} \
@@ -428,6 +430,7 @@ for arch in $archs; do
             --xctest --install-xctest \
             --swift-testing --install-swift-testing \
             --cross-compile-build-swift-tools=0 \
+            --llvm-ninja-targets-for-cross-compile-hosts=help \
             --cross-compile-append-host-target-to-destdir=False \
             --extra-cmake-options='-DCMAKE_EXTRA_LINK_FLAGS="-Wl,-z,max-page-size=16384"'