rockchip: vpu: update ffmpeg and libmpp (V1.5-4a3b6f2)

Signed-off-by: hmz007 <hmz007@gmail.com>

vendor/rockchip/common/vpu/lib/libmpp/Android.bp

@@ -3,10 +3,10 @@ cc_prebuilt_library {
     compile_multilib: "both",
     multilib: {
         lib64: {
-            srcs: ["arm64/mpp_dev/libmpp.so"],
+            srcs: ["arm64/libmpp.so"],
         },
         lib32: {
-            srcs: ["arm/mpp_dev/libmpp.so"],
+            srcs: ["arm/libmpp.so"],
         },
     },
     strip: {