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/drm/libmediadrm/DrmSessionManager.cpp b/drm/libmediadrm/DrmSessionManager.cpp
index 5292705..e31395d 100644
--- a/drm/libmediadrm/DrmSessionManager.cpp
+++ b/drm/libmediadrm/DrmSessionManager.cpp
@@ -66,7 +66,7 @@
     std::vector<MediaResourceParcel> resources;
     MediaResourceParcel resource{
             Type::kDrmSession, SubType::kUnspecifiedSubType,
-            toStdVec<int8_t>(sessionId), value};
+            toStdVec<>(sessionId), value};
     resources.push_back(resource);
     return resources;
 }
diff --git a/media/libmedia/MediaResource.cpp b/media/libmedia/MediaResource.cpp
index 0936a99..fe86d27 100644
--- a/media/libmedia/MediaResource.cpp
+++ b/media/libmedia/MediaResource.cpp
@@ -35,7 +35,7 @@
     this->value = value;
 }
 
-MediaResource::MediaResource(Type type, const std::vector<int8_t> &id, int64_t value) {
+MediaResource::MediaResource(Type type, const std::vector<uint8_t> &id, int64_t value) {
     this->type = type;
     this->subType = SubType::kUnspecifiedSubType;
     this->id = id;
@@ -66,11 +66,11 @@
 }
 
 //static
-MediaResource MediaResource::DrmSessionResource(const std::vector<int8_t> &id, int64_t value) {
+MediaResource MediaResource::DrmSessionResource(const std::vector<uint8_t> &id, int64_t value) {
     return MediaResource(Type::kDrmSession, id, value);
 }
 
-static String8 bytesToHexString(const std::vector<int8_t> &bytes) {
+static String8 bytesToHexString(const std::vector<uint8_t> &bytes) {
     String8 str;
     for (auto &b : bytes) {
         str.appendFormat("%02x", b);
diff --git a/media/libmedia/include/media/MediaResource.h b/media/libmedia/include/media/MediaResource.h
index e7362c1..4927d28 100644
--- a/media/libmedia/include/media/MediaResource.h
+++ b/media/libmedia/include/media/MediaResource.h
@@ -35,13 +35,13 @@
     MediaResource() = delete;
     MediaResource(Type type, int64_t value);
     MediaResource(Type type, SubType subType, int64_t value);
-    MediaResource(Type type, const std::vector<int8_t> &id, int64_t value);
+    MediaResource(Type type, const std::vector<uint8_t> &id, int64_t value);
 
     static MediaResource CodecResource(bool secure, bool video);
     static MediaResource GraphicMemoryResource(int64_t value);
     static MediaResource CpuBoostResource();
     static MediaResource VideoBatteryResource();
-    static MediaResource DrmSessionResource(const std::vector<int8_t> &id, int64_t value);
+    static MediaResource DrmSessionResource(const std::vector<uint8_t> &id, int64_t value);
 };
 
 inline static const char *asString(MediaResource::Type i, const char *def = "??") {
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 {