Silence compiler errors because of renderscript deprecation.

Bug: 168711199
Test: m
Test: CtsRenderscriptTestCases
Test: CtsRsCppTestCases
Test: CtsRsBlasTestCases
Change-Id: I50b7ce18841eb38f2e5d986307afd91791efdf7b

rs/jni/Android.mk

@@ -25,7 +25,7 @@ LOCAL_C_INCLUDES += \
     frameworks/rs
 
 LOCAL_CFLAGS += -Wno-unused-parameter
-LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code
+LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code -Wno-deprecated-declarations
 
 LOCAL_MODULE:= librs_jni
 LOCAL_LICENSE_KINDS:= SPDX-license-identifier-Apache-2.0