remove more projects from 64-bit blacklist

These all build now.

Change-Id: If7c5f58512a2931617900ddc730797750ab8301c
diff --git a/core/64_bit_blacklist.mk b/core/64_bit_blacklist.mk
index 9039f13..5ad7b51 100644
--- a/core/64_bit_blacklist.mk
+++ b/core/64_bit_blacklist.mk
@@ -2,10 +2,8 @@
 
 # JNI - needs 64-bit VM
 _64_bit_directory_blacklist += \
-        external/svox/ \
         packages/
 
-
 # Chromium/V8: needs 64-bit support
 _64_bit_directory_blacklist += \
 	external/chromium-libpac \
@@ -18,12 +16,6 @@
 	device/generic/goldfish/opengl \
 	device/generic/goldfish/camera \
 
-# depends on frameworks/av
-_64_bit_directory_blacklist += \
-	external/srec \
-	frameworks/opt \
-	frameworks/ex \
-
 # not needed yet, and too many directories to blacklist individually
 _64_bit_directory_blacklist += \
 	frameworks/av/media/libeffects \