Correctly pass number of input allocations for BLAS

Bug: 31992305

Test: Build and CTS RsBlas test pass on Angler.
Change-Id: If49c0be003d9c2a2175924dc3303703b9ab49357
diff --git a/rs/jni/android_renderscript_RenderScript.cpp b/rs/jni/android_renderscript_RenderScript.cpp
index 06c4350..af370ff 100644
--- a/rs/jni/android_renderscript_RenderScript.cpp
+++ b/rs/jni/android_renderscript_RenderScript.cpp
@@ -644,7 +644,7 @@
     in_allocs[2] = (RsAllocation)C;
 
     rsScriptForEachMulti((RsContext)con, (RsScript)id, 0,
-                         in_allocs, sizeof(in_allocs), nullptr,
+                         in_allocs, NELEM(in_allocs), nullptr,
                          &call, sizeof(call), nullptr, 0);
 }