Continue using the real make if -C is used

To allow building other make-based systems from the top of the android
tree.

Bug: 64145979
Test: get_make_command
Test: get_make_command -C
Test: get_make_command -C.
Test: get_make_command -C .
Test: get_make_command -j test
Test: get_make_command test-C
Test: get_make_command " -C"
Test: make
Test: make -C.
Change-Id: I406dd2706f19e5d2a6afdff441335f4e01ba6d12

envsetup.sh

@@ -1542,6 +1542,13 @@ function get_make_command()
 {
     # If we're in the top of an Android tree, use soong_ui.bash instead of make
     if [ -f build/soong/soong_ui.bash ]; then
+        # Always use the real make if -C is passed in
+        for arg in "$@"; do
+            if [[ $arg == -C* ]]; then
+                echo command make
+                return
+            fi
+        done
         echo build/soong/soong_ui.bash --make-mode
     else
         echo command make
@@ -1588,7 +1595,7 @@ function _wrap_build()
 
 function make()
 {
-    _wrap_build $(get_make_command) "$@"
+    _wrap_build $(get_make_command "$@") "$@"
 }
 
 function provision()