Use abort() instead of exit(1) for bad activation functions

Bug: 69008440
Test: mm
Test: NeuralNetworksTests pass
Merged-In: Ida0350d2c9c7325888c3eaaa3dbe285441ef655c
Change-Id: Ida0350d2c9c7325888c3eaaa3dbe285441ef655c
(cherry picked from commit 3d99acd641483363da564d24733199ff26078f44)
diff --git a/common/include/ActivationFunctor.h b/common/include/ActivationFunctor.h
index fb966c4..ed9ef93 100644
--- a/common/include/ActivationFunctor.h
+++ b/common/include/ActivationFunctor.h
@@ -52,7 +52,7 @@
         __android_log_print(ANDROID_LOG_ERROR, "NN API",
                             "Invalid enum value for activation function: 0x%0X",
                             act_);
-        exit(1);
+        abort();
     }
   }