api-impl: add stubs / simple stuff for OsmAnd

without native libs present, launches and renders white square
in map view; with native libs present, segfaults in bundled skia

src/api-impl/android/os/Environment.java

@@ -93,6 +93,10 @@ public class Environment {
 		}
 	}
 
+	public static boolean isExternalStorageRemovable(File file) {
+		return true;
+	}
+
 	/**
 	 * {@hide}
 	 */

src/api-impl/android/os/StrictMode.java

@@ -0,0 +1,60 @@
+package android.os;
+
+public final class StrictMode {
+	public static void setThreadPolicy(final ThreadPolicy policy) {}
+	public static void setVmPolicy(final VmPolicy policy) {}
+
+	public static final class ThreadPolicy {
+		public static final class Builder {
+			public Builder detectAll() {
+				return this;
+			}
+			public Builder permitDiskReads() {
+				return this;
+			}
+			public Builder permitDiskWrites() {
+				return this;
+			}
+			public Builder penaltyLog() {
+				return this;
+			}
+			public ThreadPolicy build() {
+				return new ThreadPolicy();
+			}
+		}
+	}
+	public static final class VmPolicy {
+		public static final class Builder {
+			public Builder detectActivityLeaks() {
+				return this;
+			}
+			public Builder detectAll() {
+				return this;
+			}
+			public Builder detectLeakedSqlLiteObjects() {
+				return this;
+			}
+			public Builder detectLeakedClosableObjects() {
+				return this;
+			}
+			public Builder detectLeakedRegistrationObjects() {
+				return this;
+			}
+			public Builder detectFileUriExposure() {
+				return this;
+			}
+			public Builder penaltyDeath() {
+				return this;
+			}
+			public Builder penaltyLog() {
+				return this;
+			}
+			public Builder penaltyDropBox() {
+			return this;
+			}
+			public VmPolicy build() {
+				return new VmPolicy();
+			}
+		}
+	}
+}