added 1.3.0 alpha5 to prebuilts

Change-Id: Iafce66f59ae4a49ca52e7300e4016189e152dc5b
diff --git a/com/android/tools/sdklib/24.3.0-alpha5/sdklib-24.3.0-alpha5.jar.md5 b/com/android/tools/sdklib/24.3.0-alpha5/sdklib-24.3.0-alpha5.jar.md5
new file mode 100644
index 0000000..9201182
--- /dev/null
+++ b/com/android/tools/sdklib/24.3.0-alpha5/sdklib-24.3.0-alpha5.jar.md5
@@ -0,0 +1 @@
+c722dd017f6422975507a910ffc57f6e
\ No newline at end of file