Ensure hostside IME tests only use public APIs

With this CL all the APKs used for hostside IME CTS tests can be built
only with public APIs and Test APIs at compile time.

There should be no behavior / requirement change in existing CTS
tests.

Test: make -j cts
Bug: 72399950
Change-Id: I44afda72d321c103a8bb1310fa3bd1d76c3ae8b1
diff --git a/hostsidetests/inputmethodservice/deviceside/devicetest/Android.mk b/hostsidetests/inputmethodservice/deviceside/devicetest/Android.mk
index 9582a92..6f3a29d 100644
--- a/hostsidetests/inputmethodservice/deviceside/devicetest/Android.mk
+++ b/hostsidetests/inputmethodservice/deviceside/devicetest/Android.mk
@@ -40,6 +40,6 @@
 
 LOCAL_PACKAGE_NAME := CtsInputMethodServiceDeviceTests
 
-LOCAL_SDK_VERSION := current
+LOCAL_SDK_VERSION := test_current
 
 include $(BUILD_CTS_PACKAGE)