Merge branch 'develop' into release/v0.0.12

Author: kshoji

BLE-MIDI-library/src/main/AndroidManifest.xml

@@ -2,9 +2,6 @@
     xmlns:tools="http://schemas.android.com/tools"
     package="jp.kshoji.blemidi">
 
-    <!-- specify minSdkVersion for lint tools -->
-    <uses-sdk android:minSdkVersion="18" tools:ignore="GradleOverrides" />
-
     <uses-permission android:name="android.permission.BLUETOOTH" android:maxSdkVersion="30" />
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" android:maxSdkVersion="30" />
 

gradle.properties

@@ -16,5 +16,5 @@
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
-#android.useAndroidX=true
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx4096m -XX:MaxMetaspaceSize=512m