use vector<uint8_t> for byte[] in AIDL

In native world, byte stream is typically represented in uint8_t[]
or vector<uint8_t>. C++ backend already generates that way. This
change involves NDK backend.

Now NDK backend also uses vector<uint8_t> just like C++ backend.

Bug: 144957764
Test: atest CtsNdkBinderTestCases
Merged-In: Iffe188aa42f4f827ad4d021f06d85992db204c0d
Change-Id: Iffe188aa42f4f827ad4d021f06d85992db204c0d
(cherry picked from commit cfca116b0d2629a95172b5f822b27a549a478da5)

Exempt-From-Owner-Approval: cp from master to avoid merge-conflict
diff --git a/services/mediaresourcemanager/ResourceManagerService.h b/services/mediaresourcemanager/ResourceManagerService.h
index f500c62..92048c3 100644
--- a/services/mediaresourcemanager/ResourceManagerService.h
+++ b/services/mediaresourcemanager/ResourceManagerService.h
@@ -41,7 +41,7 @@
 using ::aidl::android::media::MediaResourcePolicyParcel;
 
 typedef std::map<std::tuple<
-        MediaResource::Type, MediaResource::SubType, std::vector<int8_t>>,
+        MediaResource::Type, MediaResource::SubType, std::vector<uint8_t>>,
         MediaResourceParcel> ResourceList;
 
 struct ResourceInfo {