get-prebuilts: Use https for Term.apk fetch

* Use secure protocol when fetching prebuilt APKs to avoid a MITM attack
  that could send a malicious APK instead.

Change-Id: If9dfc8bdc6f5a8ac360f40fe3fb423455082d224
diff --git a/get-prebuilts b/get-prebuilts
index 1d2b6df..dcfb382 100755
--- a/get-prebuilts
+++ b/get-prebuilts
@@ -4,6 +4,6 @@
 mkdir -p $BASEDIR/proprietary
 
 # Get Android Terminal Emulator (we use a prebuilt so it can update from the Market)
-curl -L -o $BASEDIR/proprietary/Term.apk -O -L http://jackpal.github.com/Android-Terminal-Emulator/downloads/Term.apk
+curl -L -o $BASEDIR/proprietary/Term.apk -O -L https://jackpal.github.com/Android-Terminal-Emulator/downloads/Term.apk
 unzip -o -d $BASEDIR/proprietary $BASEDIR/proprietary/Term.apk lib/*