Update references to sdkext

The module is getting renamed to sdkextensions.

Bug: 137191822
Test: presubmit
Change-Id: I628fc555b82e9bd931c8f0cce2222b02efad6036
Merged-In: I628fc555b82e9bd931c8f0cce2222b02efad6036
(cherry picked from commit 37e998ac319870d6b3391c7e41904f7260eb111a)
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index 2895801..8ced9ab 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -323,7 +323,7 @@
     telephony-common \
     voip-common \
     ims-common \
-    framework-sdkext \
+    framework-sdkextensions \
     ike \
     updatable-media \
     framework-tethering
@@ -332,7 +332,7 @@
     com.android.conscrypt:conscrypt \
     com.android.ipsec:ike \
     com.android.media:updatable-media \
-    com.android.sdkext:framework-sdkext \
+    com.android.sdkext:framework-sdkextensions \
     com.android.tethering:framework-tethering
 
 PRODUCT_COPY_FILES += \