Set min_sdk_version to be part of mainline modules

Modules contributing mainline modules (APK/APEX) should set
min_sdk_version as well as apex_available.

For now setting min_sdk_version doesn't change build outputs.
But build-time checks will be added soon.

Bug: 152655956
Test: m
Change-Id: I87ce41ad18a7a39f2c6c41c5aec2d8338db3ec8d
diff --git a/Android.bp b/Android.bp
index ed29f5b..731d87b 100644
--- a/Android.bp
+++ b/Android.bp
@@ -87,6 +87,7 @@
     whole_static_libs: [
         "libhwbinder-impl-internal",
     ],
+    min_sdk_version: "29",
 }
 
 // Only libhwbinder_benchmark needs to have pgo enabled. When all places
diff --git a/libhidlmemory/Android.bp b/libhidlmemory/Android.bp
index 3ba408f..bafb3ef 100644
--- a/libhidlmemory/Android.bp
+++ b/libhidlmemory/Android.bp
@@ -42,12 +42,12 @@
     export_shared_lib_headers: [
         "android.hidl.memory@1.0",
         "android.hidl.memory.token@1.0",
-        "libhidlbase"
+        "libhidlbase",
     ],
 
     srcs: [
         "HidlMemoryToken.cpp",
-        "mapping.cpp"
+        "mapping.cpp",
     ],
 
     product_variables: {
@@ -55,4 +55,5 @@
             cflags: ["-DLIBHIDL_TARGET_DEBUGGABLE"],
         },
     },
+    min_sdk_version: "29",
 }
diff --git a/transport/token/1.0/utils/Android.bp b/transport/token/1.0/utils/Android.bp
index 8e23c62..5ccbe75 100644
--- a/transport/token/1.0/utils/Android.bp
+++ b/transport/token/1.0/utils/Android.bp
@@ -45,7 +45,7 @@
     ],
 
     export_include_dirs: [
-        "include"
+        "include",
     ],
+    min_sdk_version: "29",
 }
-