Rewrite the Android implementation of BatteryMonitor directly in Java.

android_webview/java_library_common.mk

Index: android_webview/java_library_common.mk
diff --git a/android_webview/java_library_common.mk b/android_webview/java_library_common.mk
index 2dc1a1f9d5188255a64174f55947d1e036a1e0db..48762a65f82bbd08b04456d612b0387c85f73103 100644
--- a/android_webview/java_library_common.mk
+++ b/android_webview/java_library_common.mk
@@ -19,6 +19,7 @@ LOCAL_SRC_FILES += \
     ../net/android/java/src/org/chromium/net/IRemoteAndroidKeyStoreCallbacks.aidl \
     ../net/android/java/src/org/chromium/net/IRemoteAndroidKeyStore.aidl \
     $(call all-java-files-under, ../base/android/java/src) \
+    $(call all-java-files-under, ../device/battery/android/java/src) \
     $(call all-java-files-under, ../media/base/android/java/src) \
     $(call all-java-files-under, ../mojo/android/system/src) \
     $(call all-java-files-under, ../mojo/public/java/bindings/src) \
@@ -71,6 +72,11 @@ $(call intermediates-dir-for,GYP,shared)/enums/text_input_type_java/org/chromium
 $(call intermediates-dir-for,GYP,shared)/enums/touch_device_types_java/org/chromium/ui/base/HoverType.java \
 $(call intermediates-dir-for,GYP,shared)/enums/touch_device_types_java/org/chromium/ui/base/PointerType.java \
 $(call intermediates-dir-for,GYP,shared)/templates/net_errors_java/org/chromium/net/NetError.java \
+$(call intermediates-dir-for,GYP,shared)/java_mojo/device_battery_mojo_bindings/src/org/chromium/mojom/device/BatteryMonitor.java \
+$(call intermediates-dir-for,GYP,shared)/java_mojo/device_battery_mojo_bindings/src/org/chromium/mojom/device/BatteryMonitor_Internal.java \
+$(call intermediates-dir-for,GYP,shared)/java_mojo/device_battery_mojo_bindings/src/org/chromium/mojom/device/BatteryStatus.java \
+$(call intermediates-dir-for,GYP,shared)/java_mojo/device_battery_mojo_bindings/src/org/chromium/mojom/device/BatteryStatusObserver.java \
+$(call intermediates-dir-for,GYP,shared)/java_mojo/device_battery_mojo_bindings/src/org/chromium/mojom/device/BatteryStatusObserver_Internal.java
 
 # content dependencies on java components that are provided by the system on
 # android