tests: Remove LOCAL_ADDITIONAL_DEPENDENCIES.

Per the comment in build/make/core/base_rules.mk:
  Ninja has an implicit dependency on the command being run, and kati will
  regenerate the ninja manifest if any read makefile changes, so there is no
  need to have dependencies on makefiles.

Test: mmma bootable/recovery
Change-Id: I27b97df10d40f39ad966be70b33811175a665439
diff --git a/tests/Android.mk b/tests/Android.mk
index a8f1d78..80eae8f 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -21,7 +21,6 @@
 LOCAL_CFLAGS := -Werror
 LOCAL_MODULE := recovery_unit_test
 LOCAL_COMPATIBILITY_SUITE := device-tests
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_STATIC_LIBRARIES := \
     libverifier \
     libminui \
@@ -46,10 +45,8 @@
 
 # Manual tests
 include $(CLEAR_VARS)
-LOCAL_CLANG := true
 LOCAL_CFLAGS := -Werror
 LOCAL_MODULE := recovery_manual_test
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_STATIC_LIBRARIES := \
     libminui \
     libbase
@@ -86,7 +83,6 @@
     -Werror \
     -D_FILE_OFFSET_BITS=64
 
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_MODULE := recovery_component_test
 LOCAL_COMPATIBILITY_SUITE := device-tests
 LOCAL_C_INCLUDES := bootable/recovery