Replace memcpy with memmove to Solve Memory Overlap Error

Replacing memcpy with memmove so there is no memcpy-param-overlap error.

Bug: 62887820
Test: vendor testing
Change-Id: I8292659f4f490ce1eed16356a7caf16df6324283
(cherry picked from commit 0a2112249af3c8de52f4da9e89d740b20246d050)

decoder/impeg2d_mc.c

diff --git a/decoder/impeg2d_mc.c b/decoder/impeg2d_mc.c
index 79c5ef6..229579c 100644
--- a/decoder/impeg2d_mc.c
+++ b/decoder/impeg2d_mc.c
@@ -1260,7 +1260,7 @@
 
         for(i = 0; i < u4_blk_height; i++)
         {
-            memcpy(pu1_out, pu1_ref, u4_blk_width);
+            memmove(pu1_out, pu1_ref, u4_blk_width);
             pu1_ref += u4_ref_wid;
             pu1_out += u4_out_wid;
         }