Remove "cp $(out) ." from genrule

$(out) is the correct location for the output, and "." is the root of the source tree.  Remove "cp $(out) ." to avoid writing to the source tree.

Bug: 185211826
Change-Id: Ie936d8b396e044f8ef4307df53232bea6cc770d6
Test: treehugger
diff --git a/Android.bp b/Android.bp
index 68da5c5..c8bf759 100644
--- a/Android.bp
+++ b/Android.bp
@@ -43,8 +43,7 @@
     out: ["ThemePicker_res.zip"],
     cmd: "INPUTS=($(in)) && "
         + "RES_DIR=$$(dirname $$(dirname $${INPUTS[0]})) && "
-        + "$(location soong_zip) -o $(out) -C $$RES_DIR -D $$RES_DIR && "
-        + "cp $(out) ."
+        + "$(location soong_zip) -o $(out) -C $$RES_DIR -D $$RES_DIR"
 }
 
 //