Switch from jack to javac for unbundled builds

Default to ANDROID_COMPILE_WITH_JACK=false when TARGET_BUILD_APPS
is set.

Test: m -j TARGET_BUILD_APPS=Gallery2
Change-Id: Ibd2bdac6c7e2c4e2c6107fd35bd049fc8cb8dafe
diff --git a/core/combo/javac.mk b/core/combo/javac.mk
index 835ee82..625ac3f 100644
--- a/core/combo/javac.mk
+++ b/core/combo/javac.mk
@@ -13,12 +13,7 @@
     ifdef PRODUCT_COMPILE_WITH_JACK
         ANDROID_COMPILE_WITH_JACK := $(PRODUCT_COMPILE_WITH_JACK)
     else
-        # TODO(b/62038127): remove TARGET_BUILD_APPS check
-        ifdef TARGET_BUILD_APPS
-            ANDROID_COMPILE_WITH_JACK := true
-        else
-            ANDROID_COMPILE_WITH_JACK := false
-        endif
+        ANDROID_COMPILE_WITH_JACK := false
     endif
 endif