Allow increasing main storage size (sdcard is separate storage) (#219)

* Allow increasing disk size - Issue #184

* Fix checkDiskSize validator

* Fix lint errors

* Size modifier without a number is unacceptable

"G" is not the same as "1G"

* Implement checkDiskSize validator tests

src/emulator-manager.ts

@@ -14,6 +14,7 @@ export async function launchEmulator(
   cores: string,
   ramSize: string,
   sdcardPathOrSize: string,
+  diskSize: string,
   avdName: string,
   forceAvdCreation: boolean,
   emulatorOptions: string,
@@ -45,6 +46,10 @@ export async function launchEmulator(
     await exec.exec(`sh -c \\"printf 'hw.keyboard=yes\n' >> ${process.env.ANDROID_AVD_HOME}/"${avdName}".avd"/config.ini`);
   }
 
+  if (diskSize) {
+    await exec.exec(`sh -c \\"printf 'disk.dataPartition.size=${diskSize}\n' >> ${process.env.ANDROID_AVD_HOME}/"${avdName}".avd"/config.ini`);
+  }
+
   //turn off hardware acceleration on Linux
   if (process.platform === 'linux' && disableLinuxHardwareAcceleration) {
     console.log('Disabling Linux hardware acceleration.');