Cleanup: Remove const for params passed by value

BUG=aomedia:448

Change-Id: Ieff977fca8a5033ddef2871a194870f59301ad8f
diff --git a/test/av1_convolve_optimz_test.cc b/test/av1_convolve_optimz_test.cc
index 85edb2d..fd0f6db 100644
--- a/test/av1_convolve_optimz_test.cc
+++ b/test/av1_convolve_optimz_test.cc
@@ -24,12 +24,12 @@
 
 typedef void (*ConvInit)();
 typedef void (*conv_filter_t)(const uint8_t *, int, uint8_t *, int, int, int,
-                              const InterpFilterParams, const int, int,
+                              const InterpFilterParams, int, int,
                               ConvolveParams *);
 #if CONFIG_HIGHBITDEPTH
 typedef void (*hbd_conv_filter_t)(const uint16_t *, int, uint16_t *, int, int,
-                                  int, const InterpFilterParams, const int, int,
-                                  int, int);
+                                  int, const InterpFilterParams, int, int, int,
+                                  int);
 #endif
 
 // Test parameter list:
diff --git a/test/av1_quantize_test.cc b/test/av1_quantize_test.cc
index 43acd6f..b5d1531 100644
--- a/test/av1_quantize_test.cc
+++ b/test/av1_quantize_test.cc
@@ -26,7 +26,7 @@
     const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr,
     const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
     tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
-    const int16_t *scan, const int16_t *iscan, const int log_scale);
+    const int16_t *scan, const int16_t *iscan, int log_scale);
 
 struct QuantizeFuncParams {
   QuantizeFuncParams(QuantizeFpFunc qF = NULL, QuantizeFpFunc qRefF = NULL,
diff --git a/test/avg_test.cc b/test/avg_test.cc
index 529672d..b040f6a 100644
--- a/test/avg_test.cc
+++ b/test/avg_test.cc
@@ -213,7 +213,7 @@
     for (int i = 0; i < satd_size_; ++i) src_[i] = rnd_.Rand16();
   }
 
-  void Check(const int expected) {
+  void Check(int expected) {
     int total;
     ASM_REGISTER_STATE_CHECK(total = satd_func_(src_, satd_size_));
     EXPECT_EQ(expected, total);
diff --git a/test/encode_test_driver.cc b/test/encode_test_driver.cc
index a9e1f70..80f155a 100644
--- a/test/encode_test_driver.cc
+++ b/test/encode_test_driver.cc
@@ -120,11 +120,10 @@
     passes_ = 1;
 }
 
-static bool compare_plane(const uint8_t *const buf1, const int stride1,
-                          const uint8_t *const buf2, const int stride2,
-                          const int w, const int h, int *const mismatch_row,
-                          int *const mismatch_col, int *const mismatch_pix1,
-                          int *const mismatch_pix2) {
+static bool compare_plane(const uint8_t *const buf1, int stride1,
+                          const uint8_t *const buf2, int stride2, int w, int h,
+                          int *const mismatch_row, int *const mismatch_col,
+                          int *const mismatch_pix1, int *const mismatch_pix2) {
   int r, c;
 
   for (r = 0; r < h; ++r) {