Remove the unnecessary full_x86_64 and full_mips64.

For historical reason, the aosp_* products were named full_*.
We keep the full, full_x86 and full_mips in case some tools still
reference these legacy names; But no reason the have the full_* product
names for the new 64-bit archs.

Change-Id: I240ed0c6ded0ded2d80603bd0c5ff24750999afc

envsetup.sh

@@ -347,7 +347,7 @@ function chooseproduct()
     if [ "x$TARGET_PRODUCT" != x ] ; then
         default_value=$TARGET_PRODUCT
     else
-        default_value=full
+        default_value=aosp_arm
     fi
 
     export TARGET_PRODUCT=
@@ -594,10 +594,10 @@ function tapas()
         return
     fi
 
-    local product=full
+    local product=aosp_arm
     case $arch in
-      x86)    product=full_x86;;
-      mips)   product=full_mips;;
+      x86)    product=aosp_x86;;
+      mips)   product=aosp_mips;;
       armv5)  product=generic_armv5;;
       arm64)  product=aosp_arm64;;
       x86_64) product=aosp_x86_64;;