termux-am: Switch repo and upgrade to v0.3

Includes termux/TermuxAm#2

Removed patch as it was upstreamed

packages/termux-am/build.sh

@@ -1,10 +1,10 @@
-TERMUX_PKG_HOMEPAGE=https://github.com/michalbednarski/TermuxAm
+TERMUX_PKG_HOMEPAGE=https://github.com/termux/TermuxAm
 TERMUX_PKG_DESCRIPTION="Android Oreo-compatible am command reimplementation"
 TERMUX_PKG_LICENSE="Apache-2.0"
 TERMUX_PKG_MAINTAINER="Michal Bednarski @michalbednarski"
-TERMUX_PKG_VERSION=0.2
-TERMUX_PKG_SHA256=bde5ca8a6778a8be99370b35453eca92c8283c2987016a3d8ea6eddbad0c3f0e
-TERMUX_PKG_SRCURL=https://github.com/michalbednarski/TermuxAm/archive/v$TERMUX_PKG_VERSION.zip
+TERMUX_PKG_VERSION=0.3
+TERMUX_PKG_SHA256=3abfaca319f59fa769480c33d50e2ee1ff73122eac7c658f9e2a66a2da29ebb7
+TERMUX_PKG_SRCURL=https://github.com/termux/TermuxAm/archive/v$TERMUX_PKG_VERSION.zip
 TERMUX_PKG_PLATFORM_INDEPENDENT=yes
 TERMUX_PKG_BUILD_IN_SRC=yes
 TERMUX_PKG_CONFLICTS="termux-tools (<< 0.51)"

packages/termux-am/update-build.patch

@@ -1,43 +0,0 @@
-Submitted upstream at https://github.com/michalbednarski/TermuxAm/pull/4
-
-diff --git a/app/build.gradle b/app/build.gradle
-index 7888fcd..07c189e 100644
---- a/app/build.gradle
-+++ b/app/build.gradle
-@@ -1,11 +1,11 @@
- apply plugin: 'com.android.application'
- 
- android {
--    compileSdkVersion 26
-+    compileSdkVersion 28
-     defaultConfig {
-         applicationId "com.example.termuxam"
-         minSdkVersion 21
--        targetSdkVersion 26
-+        targetSdkVersion 28
-         versionCode 1
-         versionName "0.1"
-         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-diff --git a/build.gradle b/build.gradle
-index e6b32bc..6c2bb63 100644
---- a/build.gradle
-+++ b/build.gradle
-@@ -7,7 +7,7 @@ buildscript {
-         jcenter()
-     }
-     dependencies {
--        classpath 'com.android.tools.build:gradle:3.0.1'
-+        classpath 'com.android.tools.build:gradle:3.3.0'
-         
- 
-         // NOTE: Do not place your application dependencies here; they belong
-diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
-index a23653e..4f86dee 100644
---- a/gradle/wrapper/gradle-wrapper.properties
-+++ b/gradle/wrapper/gradle-wrapper.properties
-@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
- distributionPath=wrapper/dists
- zipStoreBase=GRADLE_USER_HOME
- zipStorePath=wrapper/dists
--distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
-+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip