AudioFlinger: Fix resampler tests

Test: Run resampler tests on Pixel XL
Bug: 34113617
Change-Id: Idee23b90bd1a353f841beab95c74a7b0ddb13783
diff --git a/services/audioflinger/tests/resampler_tests.cpp b/services/audioflinger/tests/resampler_tests.cpp
index 406b960..fbc8cc5 100644
--- a/services/audioflinger/tests/resampler_tests.cpp
+++ b/services/audioflinger/tests/resampler_tests.cpp
@@ -106,7 +106,7 @@
     // set up the reference run
     std::vector<size_t> refIncr;
     refIncr.push_back(outputFrames);
-    void* reference = malloc(outputSize);
+    void* reference = calloc(outputFrames, outputFrameSize);
     resample(channels, reference, outputFrames, refIncr, &provider, resampler);
 
     provider.reset();
@@ -127,7 +127,7 @@
     outIncr.push_back(1);
     outIncr.push_back(2);
     outIncr.push_back(3);
-    void* test = malloc(outputSize);
+    void* test = calloc(outputFrames, outputFrameSize);
     inputIncr.push_back(1);
     inputIncr.push_back(3);
     provider.setIncr(inputIncr);
@@ -194,7 +194,7 @@
     // set up the reference run
     std::vector<size_t> refIncr;
     refIncr.push_back(outputFrames);
-    void* reference = malloc(outputSize);
+    void* reference = calloc(outputFrames, outputFrameSize);
     resample(channels, reference, outputFrames, refIncr, &provider, resampler);
 
     TO *out = reinterpret_cast<TO *>(reference);