diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index 82dd153..2d26b33 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -4,7 +4,7 @@
 ####################################
 
 # TODO: replace it with device's BOOTCLASSPATH
-DEXPREOPT_BOOT_JARS := core:core-junit:bouncycastle:ext:framework:telephony-common:voip-common:mms-common:android.policy:services:apache-xml
+DEXPREOPT_BOOT_JARS := core:okhttp:core-junit:bouncycastle:ext:framework:telephony-common:voip-common:mms-common:android.policy:services:apache-xml
 DEXPREOPT_BOOT_JARS_MODULES := $(subst :, ,$(DEXPREOPT_BOOT_JARS))
 
 DEXPREOPT_BUILD_DIR := $(OUT_DIR)
diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index 5b041d6..6e05b18 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -83,11 +83,12 @@
 CORE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core,,COMMON)
 BOUNCYCASTLE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,bouncycastle,,COMMON)
 APACHEXML_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,apache-xml,,COMMON)
+OKHTTP_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp,,COMMON)
 SQLITEJDBC_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,sqlite-jdbc,,COMMON)
 JUNIT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-junit,,COMMON)
 CORETESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-tests,,COMMON)
 
-GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(BOUNCYCASTLE_INTERMEDIATES)/classes.jar:$(APACHEXML_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar
+GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(BOUNCYCASTLE_INTERMEDIATES)/classes.jar:$(APACHEXML_INTERMEDIATES)/classes.jar:$(OKHTTP_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar
 
 CTS_CORE_XMLS := \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml \
@@ -103,7 +104,7 @@
 # build system requires that dependencies use javalib.jar.  If
 # javalib.jar is up-to-date, then classes.jar is as well.  Depending
 # on classes.jar will build the files incorrectly.
-$(CTS_CORE_XMLS): $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar | $(ACP)
+$(CTS_CORE_XMLS): $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(OKHTTP_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar | $(ACP)
 	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik,\
 		cts/tests/core/libcore/dalvik/AndroidManifest.xml,\
diff --git a/envsetup.sh b/envsetup.sh
index 61bdc3d..ae2ff93 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -159,7 +159,7 @@
 
     export ANDROID_TOOLCHAIN=$ANDROID_EABI_TOOLCHAIN
     export ANDROID_QTOOLS=$T/development/emulator/qtools
-    export ANDROID_DEV_SCRIPTS=$T/development/scripts
+    export ANDROID_DEV_SCRIPTS=$T/development/scripts:$T/prebuilts/devtools/tools
     export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN$ARM_EABI_TOOLCHAIN_PATH$CODE_REVIEWS:$ANDROID_DEV_SCRIPTS:
     export PATH=$ANDROID_BUILD_PATHS$PATH
 
diff --git a/target/product/core.mk b/target/product/core.mk
index 0e7aad6..c0ab6e0 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -72,6 +72,7 @@
     libwebrtc_audio_preprocessing \
     mdnsd \
     mms-common \
+    okhttp \
     requestsync \
     telephony-common \
     voip-common
@@ -82,6 +83,7 @@
         apache-xml-hostdex \
         bouncycastle-hostdex \
         core-hostdex \
+        okhttp-hostdex \
         libcrypto \
         libexpat \
         libicui18n \
diff --git a/target/product/mini.mk b/target/product/mini.mk
index 751b481..16a2b8f 100644
--- a/target/product/mini.mk
+++ b/target/product/mini.mk
@@ -144,6 +144,7 @@
     libz \
     mdnsd \
     network \
+    okhttp \
     pand \
     requestsync \
     screencap \