transcoding: move transcoding service to apex

And conditionally start transcoding service

bug: 159172726
Change-Id: I13d126f342d4ea944d1e9186b4edcdfe5fb4b0a0
diff --git a/media/libmediatranscoding/Android.bp b/media/libmediatranscoding/Android.bp
index 1934820..094d7c3 100644
--- a/media/libmediatranscoding/Android.bp
+++ b/media/libmediatranscoding/Android.bp
@@ -44,6 +44,19 @@
     {
         java: {
             enabled: true,
+            apex_available: [
+                "com.android.media",
+                "test_com.android.media",
+            ],
+            min_sdk_version: "29",
+        },
+        ndk: {
+            enabled: true,
+            apex_available: [
+                "com.android.media",
+                "test_com.android.media",
+            ],
+            min_sdk_version: "29",
         },
     },
 }
@@ -51,6 +64,12 @@
 cc_library {
     name: "libmediatranscoding",
 
+    min_sdk_version: "29",
+    apex_available: [
+        "com.android.media",
+        "test_com.android.media",
+    ],
+
     srcs: [
         "TranscodingClientManager.cpp",
         "TranscodingSessionController.cpp",
@@ -60,7 +79,7 @@
     ],
 
     shared_libs: [
-        "libandroid",
+        "libandroid#31",
         "libbinder_ndk",
         "libcutils",
         "liblog",
diff --git a/media/libmediatranscoding/include/media/TranscoderWrapper.h b/media/libmediatranscoding/include/media/TranscoderWrapper.h
index 9ec32d7..02beede 100644
--- a/media/libmediatranscoding/include/media/TranscoderWrapper.h
+++ b/media/libmediatranscoding/include/media/TranscoderWrapper.h
@@ -17,7 +17,6 @@
 #ifndef ANDROID_TRANSCODER_WRAPPER_H
 #define ANDROID_TRANSCODER_WRAPPER_H
 
-#include <android-base/thread_annotations.h>
 #include <media/NdkMediaError.h>
 #include <media/TranscoderInterface.h>
 
diff --git a/media/libmediatranscoding/transcoder/Android.bp b/media/libmediatranscoding/transcoder/Android.bp
index aa7cdde..bebe6b1 100644
--- a/media/libmediatranscoding/transcoder/Android.bp
+++ b/media/libmediatranscoding/transcoder/Android.bp
@@ -28,6 +28,14 @@
         "VideoTrackTranscoder.cpp",
     ],
 
+    min_sdk_version: "29",
+    apex_available: [
+        "com.android.media",
+        "test_com.android.media",
+    ],
+
+    //header_libs: [ "libarect_headers", "libarect_headers_for_ndk" ],
+    static_libs: [ "libarect" ],
     shared_libs: [
         "libbase",
         "libcutils",
diff --git a/media/mediaserver/mediaserver.rc b/media/mediaserver/mediaserver.rc
index 05373c9..c82e532 100644
--- a/media/mediaserver/mediaserver.rc
+++ b/media/mediaserver/mediaserver.rc
@@ -7,3 +7,9 @@
     group audio camera inet net_bt net_bt_admin net_bw_acct drmrpc mediadrm
     ioprio rt 4
     task_profiles ProcessCapacityHigh HighPerformance
+
+# media.transcoding service is defined on com.android.media apex which goes back
+# to API29, but we only want it started on API31+ devices. So we declare it as
+# "disabled" and start it explicitly on boot.
+on boot
+    start media.transcoding