Problem: make dist broken due to builds/android

Solution: change builds/Makefile.am to reference builds/android
instead of builds/qt-android.

builds/Makefile.am

@@ -26,6 +26,6 @@ EXTRA_DIST = \
 	valgrind/vg \
 	nuget/readme.nuget \
 	nuget/libzmq.autopkg \
-	qt-android/android_build_helper.sh \
-	qt-android/ci_build.sh \
-	qt-android/build.sh
+	android/android_build_helper.sh \
+	android/ci_build.sh \
+	android/build.sh