aapt no longer needed for signing APKs

signapk now auto-detects the APK's minSdkVersion, removing the need to
run aapt dump badging during APK signing.

Test: make clean && make
Change-Id: Ifc74292a9900443d053e437b50b540c8d0b33dbd
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index d9f9ea8..10512ff 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -299,7 +299,7 @@
 endif
 $(built_module): PRIVATE_EMBEDDED_JNI_LIBS := $(embedded_prebuilt_jni_libs)
 
-$(built_module) : $(my_prebuilt_src_file) | $(ZIPALIGN) $(SIGNAPK_JAR) $(AAPT)
+$(built_module) : $(my_prebuilt_src_file) | $(ZIPALIGN) $(SIGNAPK_JAR)
 	$(transform-prebuilt-to-target)
 	$(uncompress-shared-libs)
 ifdef LOCAL_DEX_PREOPT
@@ -346,7 +346,7 @@
 $(built_apk_splits) : $(LOCAL_CERTIFICATE).pk8 $(LOCAL_CERTIFICATE).x509.pem
 $(built_apk_splits) : PRIVATE_PRIVATE_KEY := $(LOCAL_CERTIFICATE).pk8
 $(built_apk_splits) : PRIVATE_CERTIFICATE := $(LOCAL_CERTIFICATE).x509.pem
-$(built_apk_splits) : $(built_module_path)/%.apk : $(my_src_dir)/%.apk | $(AAPT)
+$(built_apk_splits) : $(built_module_path)/%.apk : $(my_src_dir)/%.apk
 	$(copy-file-to-new-target)
 	$(sign-package)